* [PATCH v3 0/2] Code cleanup and bug fix for truncated CHAP name and secret
@ 2018-02-07 16:12 Nilesh Javali
2018-02-07 16:12 ` [PATCH v3 1/2] qedi: Fix truncation of " Nilesh Javali
` (2 more replies)
0 siblings, 3 replies; 10+ messages in thread
From: Nilesh Javali @ 2018-02-07 16:12 UTC (permalink / raw)
To: martin.petersen, lduncan, cleech; +Cc: linux-scsi, QLogic-Storage-Upstream
Martin,
Please consider below patch set for next 'scsi-fixes' submission.
Thanks,
Nilesh
Andrew Vasquez (1):
qedi: Fix truncation of CHAP name and secret
Nilesh Javali (1):
qedi: Cleanup local str variable
drivers/scsi/qedi/qedi_main.c | 55 ++++++++++++++++++++-----------------------
1 file changed, 26 insertions(+), 29 deletions(-)
--
1.8.3.1
^ permalink raw reply [flat|nested] 10+ messages in thread* [PATCH v3 1/2] qedi: Fix truncation of CHAP name and secret 2018-02-07 16:12 [PATCH v3 0/2] Code cleanup and bug fix for truncated CHAP name and secret Nilesh Javali @ 2018-02-07 16:12 ` Nilesh Javali 2018-02-07 16:39 ` Bart Van Assche ` (2 more replies) 2018-02-07 16:12 ` [PATCH v3 2/2] qedi: Cleanup local str variable Nilesh Javali 2018-02-09 23:34 ` [PATCH v3 0/2] Code cleanup and bug fix for truncated CHAP name and secret Martin K. Petersen 2 siblings, 3 replies; 10+ messages in thread From: Nilesh Javali @ 2018-02-07 16:12 UTC (permalink / raw) To: martin.petersen, lduncan, cleech; +Cc: linux-scsi, QLogic-Storage-Upstream From: Andrew Vasquez <andrew.vasquez@cavium.com> The data in NVRAM is not guaranteed to be NUL terminated. Since snprintf expects byte-stream to accommodate null byte, the CHAP secret is truncated. Use sprintf instead of snprintf to fix the truncation of CHAP name and secret. Signed-off-by: Andrew Vasquez <andrew.vasquez@cavium.com> Signed-off-by: Nilesh Javali <nilesh.javali@cavium.com> --- drivers/scsi/qedi/qedi_main.c | 24 ++++++++++++------------ 1 file changed, 12 insertions(+), 12 deletions(-) diff --git a/drivers/scsi/qedi/qedi_main.c b/drivers/scsi/qedi/qedi_main.c index 8808f0d..deaed93 100644 --- a/drivers/scsi/qedi/qedi_main.c +++ b/drivers/scsi/qedi/qedi_main.c @@ -1842,8 +1842,8 @@ static ssize_t qedi_show_boot_ini_info(void *data, int type, char *buf) switch (type) { case ISCSI_BOOT_INI_INITIATOR_NAME: - rc = snprintf(str, NVM_ISCSI_CFG_ISCSI_NAME_MAX_LEN, "%s\n", - initiator->initiator_name.byte); + rc = sprintf(str, "%.*s\n", NVM_ISCSI_CFG_ISCSI_NAME_MAX_LEN, + initiator->initiator_name.byte); break; default: rc = 0; @@ -1910,8 +1910,8 @@ static umode_t qedi_ini_get_attr_visibility(void *data, int type) switch (type) { case ISCSI_BOOT_TGT_NAME: - rc = snprintf(str, NVM_ISCSI_CFG_ISCSI_NAME_MAX_LEN, "%s\n", - block->target[idx].target_name.byte); + rc = sprintf(str, "%.*s\n", NVM_ISCSI_CFG_ISCSI_NAME_MAX_LEN, + block->target[idx].target_name.byte); break; case ISCSI_BOOT_TGT_IP_ADDR: if (ipv6_en) @@ -1932,20 +1932,20 @@ static umode_t qedi_ini_get_attr_visibility(void *data, int type) block->target[idx].lun.value[0]); break; case ISCSI_BOOT_TGT_CHAP_NAME: - rc = snprintf(str, NVM_ISCSI_CFG_CHAP_NAME_MAX_LEN, "%s\n", - chap_name); + rc = sprintf(str, "%.*s\n", NVM_ISCSI_CFG_CHAP_NAME_MAX_LEN, + chap_name); break; case ISCSI_BOOT_TGT_CHAP_SECRET: - rc = snprintf(str, NVM_ISCSI_CFG_CHAP_PWD_MAX_LEN, "%s\n", - chap_secret); + rc = sprintf(str, "%.*s\n", NVM_ISCSI_CFG_CHAP_NAME_MAX_LEN, + chap_secret); break; case ISCSI_BOOT_TGT_REV_CHAP_NAME: - rc = snprintf(str, NVM_ISCSI_CFG_CHAP_NAME_MAX_LEN, "%s\n", - mchap_name); + rc = sprintf(str, "%.*s\n", NVM_ISCSI_CFG_CHAP_NAME_MAX_LEN, + mchap_name); break; case ISCSI_BOOT_TGT_REV_CHAP_SECRET: - rc = snprintf(str, NVM_ISCSI_CFG_CHAP_PWD_MAX_LEN, "%s\n", - mchap_secret); + rc = sprintf(str, "%.*s\n", NVM_ISCSI_CFG_CHAP_NAME_MAX_LEN, + mchap_secret); break; case ISCSI_BOOT_TGT_FLAGS: rc = snprintf(str, 3, "%hhd\n", SYSFS_FLAG_FW_SEL_BOOT); -- 1.8.3.1 ^ permalink raw reply related [flat|nested] 10+ messages in thread
* Re: [PATCH v3 1/2] qedi: Fix truncation of CHAP name and secret 2018-02-07 16:12 ` [PATCH v3 1/2] qedi: Fix truncation of " Nilesh Javali @ 2018-02-07 16:39 ` Bart Van Assche 2018-02-07 18:03 ` Chris Leech 2018-02-08 19:39 ` Lee Duncan 2 siblings, 0 replies; 10+ messages in thread From: Bart Van Assche @ 2018-02-07 16:39 UTC (permalink / raw) To: Nilesh Javali, martin.petersen, lduncan, cleech Cc: linux-scsi, QLogic-Storage-Upstream On 02/07/18 08:12, Nilesh Javali wrote: > The data in NVRAM is not guaranteed to be NUL terminated. > Since snprintf expects byte-stream to accommodate null byte, > the CHAP secret is truncated. > Use sprintf instead of snprintf to fix the truncation of > CHAP name and secret. Reviewed-by: Bart Van Assche <bart.vanassche@wdc.com> Thanks for having addressed the review comments. Bart. ^ permalink raw reply [flat|nested] 10+ messages in thread
* Re: [PATCH v3 1/2] qedi: Fix truncation of CHAP name and secret 2018-02-07 16:12 ` [PATCH v3 1/2] qedi: Fix truncation of " Nilesh Javali 2018-02-07 16:39 ` Bart Van Assche @ 2018-02-07 18:03 ` Chris Leech 2018-02-08 19:39 ` Lee Duncan 2 siblings, 0 replies; 10+ messages in thread From: Chris Leech @ 2018-02-07 18:03 UTC (permalink / raw) To: Nilesh Javali Cc: martin.petersen, lduncan, linux-scsi, QLogic-Storage-Upstream On Wed, Feb 07, 2018 at 08:12:35AM -0800, Nilesh Javali wrote: > From: Andrew Vasquez <andrew.vasquez@cavium.com> > > The data in NVRAM is not guaranteed to be NUL terminated. > Since snprintf expects byte-stream to accommodate null byte, > the CHAP secret is truncated. > Use sprintf instead of snprintf to fix the truncation of > CHAP name and secret. > > Signed-off-by: Andrew Vasquez <andrew.vasquez@cavium.com> > Signed-off-by: Nilesh Javali <nilesh.javali@cavium.com> Makes sense, limits the data copied out instead of the entire output length and ensures that the newline and \0 are always in the output. Signed-off-by: Chris Leech <cleech@redhat.com> > --- > drivers/scsi/qedi/qedi_main.c | 24 ++++++++++++------------ > 1 file changed, 12 insertions(+), 12 deletions(-) > > diff --git a/drivers/scsi/qedi/qedi_main.c b/drivers/scsi/qedi/qedi_main.c > index 8808f0d..deaed93 100644 > --- a/drivers/scsi/qedi/qedi_main.c > +++ b/drivers/scsi/qedi/qedi_main.c > @@ -1842,8 +1842,8 @@ static ssize_t qedi_show_boot_ini_info(void *data, int type, char *buf) > > switch (type) { > case ISCSI_BOOT_INI_INITIATOR_NAME: > - rc = snprintf(str, NVM_ISCSI_CFG_ISCSI_NAME_MAX_LEN, "%s\n", > - initiator->initiator_name.byte); > + rc = sprintf(str, "%.*s\n", NVM_ISCSI_CFG_ISCSI_NAME_MAX_LEN, > + initiator->initiator_name.byte); > break; > default: > rc = 0; > @@ -1910,8 +1910,8 @@ static umode_t qedi_ini_get_attr_visibility(void *data, int type) > > switch (type) { > case ISCSI_BOOT_TGT_NAME: > - rc = snprintf(str, NVM_ISCSI_CFG_ISCSI_NAME_MAX_LEN, "%s\n", > - block->target[idx].target_name.byte); > + rc = sprintf(str, "%.*s\n", NVM_ISCSI_CFG_ISCSI_NAME_MAX_LEN, > + block->target[idx].target_name.byte); > break; > case ISCSI_BOOT_TGT_IP_ADDR: > if (ipv6_en) > @@ -1932,20 +1932,20 @@ static umode_t qedi_ini_get_attr_visibility(void *data, int type) > block->target[idx].lun.value[0]); > break; > case ISCSI_BOOT_TGT_CHAP_NAME: > - rc = snprintf(str, NVM_ISCSI_CFG_CHAP_NAME_MAX_LEN, "%s\n", > - chap_name); > + rc = sprintf(str, "%.*s\n", NVM_ISCSI_CFG_CHAP_NAME_MAX_LEN, > + chap_name); > break; > case ISCSI_BOOT_TGT_CHAP_SECRET: > - rc = snprintf(str, NVM_ISCSI_CFG_CHAP_PWD_MAX_LEN, "%s\n", > - chap_secret); > + rc = sprintf(str, "%.*s\n", NVM_ISCSI_CFG_CHAP_NAME_MAX_LEN, > + chap_secret); > break; > case ISCSI_BOOT_TGT_REV_CHAP_NAME: > - rc = snprintf(str, NVM_ISCSI_CFG_CHAP_NAME_MAX_LEN, "%s\n", > - mchap_name); > + rc = sprintf(str, "%.*s\n", NVM_ISCSI_CFG_CHAP_NAME_MAX_LEN, > + mchap_name); > break; > case ISCSI_BOOT_TGT_REV_CHAP_SECRET: > - rc = snprintf(str, NVM_ISCSI_CFG_CHAP_PWD_MAX_LEN, "%s\n", > - mchap_secret); > + rc = sprintf(str, "%.*s\n", NVM_ISCSI_CFG_CHAP_NAME_MAX_LEN, > + mchap_secret); > break; > case ISCSI_BOOT_TGT_FLAGS: > rc = snprintf(str, 3, "%hhd\n", SYSFS_FLAG_FW_SEL_BOOT); > -- > 1.8.3.1 > ^ permalink raw reply [flat|nested] 10+ messages in thread
* Re: [PATCH v3 1/2] qedi: Fix truncation of CHAP name and secret 2018-02-07 16:12 ` [PATCH v3 1/2] qedi: Fix truncation of " Nilesh Javali 2018-02-07 16:39 ` Bart Van Assche 2018-02-07 18:03 ` Chris Leech @ 2018-02-08 19:39 ` Lee Duncan 2 siblings, 0 replies; 10+ messages in thread From: Lee Duncan @ 2018-02-08 19:39 UTC (permalink / raw) To: Nilesh Javali, martin.petersen, cleech Cc: linux-scsi, QLogic-Storage-Upstream On 02/07/2018 08:12 AM, Nilesh Javali wrote: > From: Andrew Vasquez <andrew.vasquez@cavium.com> > > The data in NVRAM is not guaranteed to be NUL terminated. > Since snprintf expects byte-stream to accommodate null byte, > the CHAP secret is truncated. > Use sprintf instead of snprintf to fix the truncation of > CHAP name and secret. > > Signed-off-by: Andrew Vasquez <andrew.vasquez@cavium.com> > Signed-off-by: Nilesh Javali <nilesh.javali@cavium.com> > --- > drivers/scsi/qedi/qedi_main.c | 24 ++++++++++++------------ > 1 file changed, 12 insertions(+), 12 deletions(-) > > ... Signed-off-by: Lee Duncan <lduncan@suse.com> -- Lee Duncan ^ permalink raw reply [flat|nested] 10+ messages in thread
* [PATCH v3 2/2] qedi: Cleanup local str variable 2018-02-07 16:12 [PATCH v3 0/2] Code cleanup and bug fix for truncated CHAP name and secret Nilesh Javali 2018-02-07 16:12 ` [PATCH v3 1/2] qedi: Fix truncation of " Nilesh Javali @ 2018-02-07 16:12 ` Nilesh Javali 2018-02-07 16:40 ` Bart Van Assche ` (2 more replies) 2018-02-09 23:34 ` [PATCH v3 0/2] Code cleanup and bug fix for truncated CHAP name and secret Martin K. Petersen 2 siblings, 3 replies; 10+ messages in thread From: Nilesh Javali @ 2018-02-07 16:12 UTC (permalink / raw) To: martin.petersen, lduncan, cleech; +Cc: linux-scsi, QLogic-Storage-Upstream Signed-off-by: Nilesh Javali <nilesh.javali@cavium.com> --- drivers/scsi/qedi/qedi_main.c | 43 ++++++++++++++++++++----------------------- 1 file changed, 20 insertions(+), 23 deletions(-) diff --git a/drivers/scsi/qedi/qedi_main.c b/drivers/scsi/qedi/qedi_main.c index deaed93..47c45a5 100644 --- a/drivers/scsi/qedi/qedi_main.c +++ b/drivers/scsi/qedi/qedi_main.c @@ -1735,7 +1735,6 @@ static ssize_t qedi_show_boot_eth_info(void *data, int type, char *buf) { struct qedi_ctx *qedi = data; struct nvm_iscsi_initiator *initiator; - char *str = buf; int rc = 1; u32 ipv6_en, dhcp_en, ip_len; struct nvm_iscsi_block *block; @@ -1769,32 +1768,32 @@ static ssize_t qedi_show_boot_eth_info(void *data, int type, char *buf) switch (type) { case ISCSI_BOOT_ETH_IP_ADDR: - rc = snprintf(str, ip_len, fmt, ip); + rc = snprintf(buf, ip_len, fmt, ip); break; case ISCSI_BOOT_ETH_SUBNET_MASK: - rc = snprintf(str, ip_len, fmt, sub); + rc = snprintf(buf, ip_len, fmt, sub); break; case ISCSI_BOOT_ETH_GATEWAY: - rc = snprintf(str, ip_len, fmt, gw); + rc = snprintf(buf, ip_len, fmt, gw); break; case ISCSI_BOOT_ETH_FLAGS: - rc = snprintf(str, 3, "%hhd\n", + rc = snprintf(buf, 3, "%hhd\n", SYSFS_FLAG_FW_SEL_BOOT); break; case ISCSI_BOOT_ETH_INDEX: - rc = snprintf(str, 3, "0\n"); + rc = snprintf(buf, 3, "0\n"); break; case ISCSI_BOOT_ETH_MAC: - rc = sysfs_format_mac(str, qedi->mac, ETH_ALEN); + rc = sysfs_format_mac(buf, qedi->mac, ETH_ALEN); break; case ISCSI_BOOT_ETH_VLAN: - rc = snprintf(str, 12, "%d\n", + rc = snprintf(buf, 12, "%d\n", GET_FIELD2(initiator->generic_cont0, NVM_ISCSI_CFG_INITIATOR_VLAN)); break; case ISCSI_BOOT_ETH_ORIGIN: if (dhcp_en) - rc = snprintf(str, 3, "3\n"); + rc = snprintf(buf, 3, "3\n"); break; default: rc = 0; @@ -1830,7 +1829,6 @@ static ssize_t qedi_show_boot_ini_info(void *data, int type, char *buf) { struct qedi_ctx *qedi = data; struct nvm_iscsi_initiator *initiator; - char *str = buf; int rc; struct nvm_iscsi_block *block; @@ -1842,7 +1840,7 @@ static ssize_t qedi_show_boot_ini_info(void *data, int type, char *buf) switch (type) { case ISCSI_BOOT_INI_INITIATOR_NAME: - rc = sprintf(str, "%.*s\n", NVM_ISCSI_CFG_ISCSI_NAME_MAX_LEN, + rc = sprintf(buf, "%.*s\n", NVM_ISCSI_CFG_ISCSI_NAME_MAX_LEN, initiator->initiator_name.byte); break; default: @@ -1871,7 +1869,6 @@ static umode_t qedi_ini_get_attr_visibility(void *data, int type) qedi_show_boot_tgt_info(struct qedi_ctx *qedi, int type, char *buf, enum qedi_nvm_tgts idx) { - char *str = buf; int rc = 1; u32 ctrl_flags, ipv6_en, chap_en, mchap_en, ip_len; struct nvm_iscsi_block *block; @@ -1910,48 +1907,48 @@ static umode_t qedi_ini_get_attr_visibility(void *data, int type) switch (type) { case ISCSI_BOOT_TGT_NAME: - rc = sprintf(str, "%.*s\n", NVM_ISCSI_CFG_ISCSI_NAME_MAX_LEN, + rc = sprintf(buf, "%.*s\n", NVM_ISCSI_CFG_ISCSI_NAME_MAX_LEN, block->target[idx].target_name.byte); break; case ISCSI_BOOT_TGT_IP_ADDR: if (ipv6_en) - rc = snprintf(str, ip_len, "%pI6\n", + rc = snprintf(buf, ip_len, "%pI6\n", block->target[idx].ipv6_addr.byte); else - rc = snprintf(str, ip_len, "%pI4\n", + rc = snprintf(buf, ip_len, "%pI4\n", block->target[idx].ipv4_addr.byte); break; case ISCSI_BOOT_TGT_PORT: - rc = snprintf(str, 12, "%d\n", + rc = snprintf(buf, 12, "%d\n", GET_FIELD2(block->target[idx].generic_cont0, NVM_ISCSI_CFG_TARGET_TCP_PORT)); break; case ISCSI_BOOT_TGT_LUN: - rc = snprintf(str, 22, "%.*d\n", + rc = snprintf(buf, 22, "%.*d\n", block->target[idx].lun.value[1], block->target[idx].lun.value[0]); break; case ISCSI_BOOT_TGT_CHAP_NAME: - rc = sprintf(str, "%.*s\n", NVM_ISCSI_CFG_CHAP_NAME_MAX_LEN, + rc = sprintf(buf, "%.*s\n", NVM_ISCSI_CFG_CHAP_NAME_MAX_LEN, chap_name); break; case ISCSI_BOOT_TGT_CHAP_SECRET: - rc = sprintf(str, "%.*s\n", NVM_ISCSI_CFG_CHAP_NAME_MAX_LEN, + rc = sprintf(buf, "%.*s\n", NVM_ISCSI_CFG_CHAP_NAME_MAX_LEN, chap_secret); break; case ISCSI_BOOT_TGT_REV_CHAP_NAME: - rc = sprintf(str, "%.*s\n", NVM_ISCSI_CFG_CHAP_NAME_MAX_LEN, + rc = sprintf(buf, "%.*s\n", NVM_ISCSI_CFG_CHAP_NAME_MAX_LEN, mchap_name); break; case ISCSI_BOOT_TGT_REV_CHAP_SECRET: - rc = sprintf(str, "%.*s\n", NVM_ISCSI_CFG_CHAP_NAME_MAX_LEN, + rc = sprintf(buf, "%.*s\n", NVM_ISCSI_CFG_CHAP_NAME_MAX_LEN, mchap_secret); break; case ISCSI_BOOT_TGT_FLAGS: - rc = snprintf(str, 3, "%hhd\n", SYSFS_FLAG_FW_SEL_BOOT); + rc = snprintf(buf, 3, "%hhd\n", SYSFS_FLAG_FW_SEL_BOOT); break; case ISCSI_BOOT_TGT_NIC_ASSOC: - rc = snprintf(str, 3, "0\n"); + rc = snprintf(buf, 3, "0\n"); break; default: rc = 0; -- 1.8.3.1 ^ permalink raw reply related [flat|nested] 10+ messages in thread
* Re: [PATCH v3 2/2] qedi: Cleanup local str variable 2018-02-07 16:12 ` [PATCH v3 2/2] qedi: Cleanup local str variable Nilesh Javali @ 2018-02-07 16:40 ` Bart Van Assche 2018-02-07 18:03 ` Chris Leech 2018-02-08 19:40 ` Lee Duncan 2 siblings, 0 replies; 10+ messages in thread From: Bart Van Assche @ 2018-02-07 16:40 UTC (permalink / raw) To: Nilesh Javali, martin.petersen, lduncan, cleech Cc: linux-scsi, QLogic-Storage-Upstream On 02/07/18 08:12, Nilesh Javali wrote: > Signed-off-by: Nilesh Javali <nilesh.javali@cavium.com> Reviewed-by: Bart Van Assche <bart.vanassche@wdc.com> ^ permalink raw reply [flat|nested] 10+ messages in thread
* Re: [PATCH v3 2/2] qedi: Cleanup local str variable 2018-02-07 16:12 ` [PATCH v3 2/2] qedi: Cleanup local str variable Nilesh Javali 2018-02-07 16:40 ` Bart Van Assche @ 2018-02-07 18:03 ` Chris Leech 2018-02-08 19:40 ` Lee Duncan 2 siblings, 0 replies; 10+ messages in thread From: Chris Leech @ 2018-02-07 18:03 UTC (permalink / raw) To: Nilesh Javali Cc: martin.petersen, lduncan, linux-scsi, QLogic-Storage-Upstream On Wed, Feb 07, 2018 at 08:12:36AM -0800, Nilesh Javali wrote: > Signed-off-by: Nilesh Javali <nilesh.javali@cavium.com> Signed-off-by: Chris Leech <cleech@redhat.com> > --- > drivers/scsi/qedi/qedi_main.c | 43 ++++++++++++++++++++----------------------- > 1 file changed, 20 insertions(+), 23 deletions(-) > > diff --git a/drivers/scsi/qedi/qedi_main.c b/drivers/scsi/qedi/qedi_main.c > index deaed93..47c45a5 100644 > --- a/drivers/scsi/qedi/qedi_main.c > +++ b/drivers/scsi/qedi/qedi_main.c > @@ -1735,7 +1735,6 @@ static ssize_t qedi_show_boot_eth_info(void *data, int type, char *buf) > { > struct qedi_ctx *qedi = data; > struct nvm_iscsi_initiator *initiator; > - char *str = buf; > int rc = 1; > u32 ipv6_en, dhcp_en, ip_len; > struct nvm_iscsi_block *block; > @@ -1769,32 +1768,32 @@ static ssize_t qedi_show_boot_eth_info(void *data, int type, char *buf) > > switch (type) { > case ISCSI_BOOT_ETH_IP_ADDR: > - rc = snprintf(str, ip_len, fmt, ip); > + rc = snprintf(buf, ip_len, fmt, ip); > break; > case ISCSI_BOOT_ETH_SUBNET_MASK: > - rc = snprintf(str, ip_len, fmt, sub); > + rc = snprintf(buf, ip_len, fmt, sub); > break; > case ISCSI_BOOT_ETH_GATEWAY: > - rc = snprintf(str, ip_len, fmt, gw); > + rc = snprintf(buf, ip_len, fmt, gw); > break; > case ISCSI_BOOT_ETH_FLAGS: > - rc = snprintf(str, 3, "%hhd\n", > + rc = snprintf(buf, 3, "%hhd\n", > SYSFS_FLAG_FW_SEL_BOOT); > break; > case ISCSI_BOOT_ETH_INDEX: > - rc = snprintf(str, 3, "0\n"); > + rc = snprintf(buf, 3, "0\n"); > break; > case ISCSI_BOOT_ETH_MAC: > - rc = sysfs_format_mac(str, qedi->mac, ETH_ALEN); > + rc = sysfs_format_mac(buf, qedi->mac, ETH_ALEN); > break; > case ISCSI_BOOT_ETH_VLAN: > - rc = snprintf(str, 12, "%d\n", > + rc = snprintf(buf, 12, "%d\n", > GET_FIELD2(initiator->generic_cont0, > NVM_ISCSI_CFG_INITIATOR_VLAN)); > break; > case ISCSI_BOOT_ETH_ORIGIN: > if (dhcp_en) > - rc = snprintf(str, 3, "3\n"); > + rc = snprintf(buf, 3, "3\n"); > break; > default: > rc = 0; > @@ -1830,7 +1829,6 @@ static ssize_t qedi_show_boot_ini_info(void *data, int type, char *buf) > { > struct qedi_ctx *qedi = data; > struct nvm_iscsi_initiator *initiator; > - char *str = buf; > int rc; > struct nvm_iscsi_block *block; > > @@ -1842,7 +1840,7 @@ static ssize_t qedi_show_boot_ini_info(void *data, int type, char *buf) > > switch (type) { > case ISCSI_BOOT_INI_INITIATOR_NAME: > - rc = sprintf(str, "%.*s\n", NVM_ISCSI_CFG_ISCSI_NAME_MAX_LEN, > + rc = sprintf(buf, "%.*s\n", NVM_ISCSI_CFG_ISCSI_NAME_MAX_LEN, > initiator->initiator_name.byte); > break; > default: > @@ -1871,7 +1869,6 @@ static umode_t qedi_ini_get_attr_visibility(void *data, int type) > qedi_show_boot_tgt_info(struct qedi_ctx *qedi, int type, > char *buf, enum qedi_nvm_tgts idx) > { > - char *str = buf; > int rc = 1; > u32 ctrl_flags, ipv6_en, chap_en, mchap_en, ip_len; > struct nvm_iscsi_block *block; > @@ -1910,48 +1907,48 @@ static umode_t qedi_ini_get_attr_visibility(void *data, int type) > > switch (type) { > case ISCSI_BOOT_TGT_NAME: > - rc = sprintf(str, "%.*s\n", NVM_ISCSI_CFG_ISCSI_NAME_MAX_LEN, > + rc = sprintf(buf, "%.*s\n", NVM_ISCSI_CFG_ISCSI_NAME_MAX_LEN, > block->target[idx].target_name.byte); > break; > case ISCSI_BOOT_TGT_IP_ADDR: > if (ipv6_en) > - rc = snprintf(str, ip_len, "%pI6\n", > + rc = snprintf(buf, ip_len, "%pI6\n", > block->target[idx].ipv6_addr.byte); > else > - rc = snprintf(str, ip_len, "%pI4\n", > + rc = snprintf(buf, ip_len, "%pI4\n", > block->target[idx].ipv4_addr.byte); > break; > case ISCSI_BOOT_TGT_PORT: > - rc = snprintf(str, 12, "%d\n", > + rc = snprintf(buf, 12, "%d\n", > GET_FIELD2(block->target[idx].generic_cont0, > NVM_ISCSI_CFG_TARGET_TCP_PORT)); > break; > case ISCSI_BOOT_TGT_LUN: > - rc = snprintf(str, 22, "%.*d\n", > + rc = snprintf(buf, 22, "%.*d\n", > block->target[idx].lun.value[1], > block->target[idx].lun.value[0]); > break; > case ISCSI_BOOT_TGT_CHAP_NAME: > - rc = sprintf(str, "%.*s\n", NVM_ISCSI_CFG_CHAP_NAME_MAX_LEN, > + rc = sprintf(buf, "%.*s\n", NVM_ISCSI_CFG_CHAP_NAME_MAX_LEN, > chap_name); > break; > case ISCSI_BOOT_TGT_CHAP_SECRET: > - rc = sprintf(str, "%.*s\n", NVM_ISCSI_CFG_CHAP_NAME_MAX_LEN, > + rc = sprintf(buf, "%.*s\n", NVM_ISCSI_CFG_CHAP_NAME_MAX_LEN, > chap_secret); > break; > case ISCSI_BOOT_TGT_REV_CHAP_NAME: > - rc = sprintf(str, "%.*s\n", NVM_ISCSI_CFG_CHAP_NAME_MAX_LEN, > + rc = sprintf(buf, "%.*s\n", NVM_ISCSI_CFG_CHAP_NAME_MAX_LEN, > mchap_name); > break; > case ISCSI_BOOT_TGT_REV_CHAP_SECRET: > - rc = sprintf(str, "%.*s\n", NVM_ISCSI_CFG_CHAP_NAME_MAX_LEN, > + rc = sprintf(buf, "%.*s\n", NVM_ISCSI_CFG_CHAP_NAME_MAX_LEN, > mchap_secret); > break; > case ISCSI_BOOT_TGT_FLAGS: > - rc = snprintf(str, 3, "%hhd\n", SYSFS_FLAG_FW_SEL_BOOT); > + rc = snprintf(buf, 3, "%hhd\n", SYSFS_FLAG_FW_SEL_BOOT); > break; > case ISCSI_BOOT_TGT_NIC_ASSOC: > - rc = snprintf(str, 3, "0\n"); > + rc = snprintf(buf, 3, "0\n"); > break; > default: > rc = 0; > -- > 1.8.3.1 > ^ permalink raw reply [flat|nested] 10+ messages in thread
* Re: [PATCH v3 2/2] qedi: Cleanup local str variable 2018-02-07 16:12 ` [PATCH v3 2/2] qedi: Cleanup local str variable Nilesh Javali 2018-02-07 16:40 ` Bart Van Assche 2018-02-07 18:03 ` Chris Leech @ 2018-02-08 19:40 ` Lee Duncan 2 siblings, 0 replies; 10+ messages in thread From: Lee Duncan @ 2018-02-08 19:40 UTC (permalink / raw) To: Nilesh Javali, martin.petersen, cleech Cc: linux-scsi, QLogic-Storage-Upstream On 02/07/2018 08:12 AM, Nilesh Javali wrote: > Signed-off-by: Nilesh Javali <nilesh.javali@cavium.com> > --- > drivers/scsi/qedi/qedi_main.c | 43 ++++++++++++++++++++----------------------- > 1 file changed, 20 insertions(+), 23 deletions(-) > > diff --git a/drivers/scsi/qedi/qedi_main.c b/drivers/scsi/qedi/qedi_main.c > ... Signed-off-by: Lee Duncan <lduncan@suse.com> -- Lee Duncan SUSE Labs ^ permalink raw reply [flat|nested] 10+ messages in thread
* Re: [PATCH v3 0/2] Code cleanup and bug fix for truncated CHAP name and secret 2018-02-07 16:12 [PATCH v3 0/2] Code cleanup and bug fix for truncated CHAP name and secret Nilesh Javali 2018-02-07 16:12 ` [PATCH v3 1/2] qedi: Fix truncation of " Nilesh Javali 2018-02-07 16:12 ` [PATCH v3 2/2] qedi: Cleanup local str variable Nilesh Javali @ 2018-02-09 23:34 ` Martin K. Petersen 2 siblings, 0 replies; 10+ messages in thread From: Martin K. Petersen @ 2018-02-09 23:34 UTC (permalink / raw) To: Nilesh Javali Cc: martin.petersen, lduncan, cleech, linux-scsi, QLogic-Storage-Upstream Nilesh, > Please consider below patch set for next 'scsi-fixes' submission. Applied to 4.16/scsi-fixes. Thank you! -- Martin K. Petersen Oracle Linux Engineering ^ permalink raw reply [flat|nested] 10+ messages in thread
end of thread, other threads:[~2018-02-09 23:34 UTC | newest] Thread overview: 10+ messages (download: mbox.gz follow: Atom feed -- links below jump to the message on this page -- 2018-02-07 16:12 [PATCH v3 0/2] Code cleanup and bug fix for truncated CHAP name and secret Nilesh Javali 2018-02-07 16:12 ` [PATCH v3 1/2] qedi: Fix truncation of " Nilesh Javali 2018-02-07 16:39 ` Bart Van Assche 2018-02-07 18:03 ` Chris Leech 2018-02-08 19:39 ` Lee Duncan 2018-02-07 16:12 ` [PATCH v3 2/2] qedi: Cleanup local str variable Nilesh Javali 2018-02-07 16:40 ` Bart Van Assche 2018-02-07 18:03 ` Chris Leech 2018-02-08 19:40 ` Lee Duncan 2018-02-09 23:34 ` [PATCH v3 0/2] Code cleanup and bug fix for truncated CHAP name and secret Martin K. Petersen
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