From: Tomas Henzl <thenzl@redhat.com>
To: Viswas G <Viswas.G@pmcs.com>, linux-scsi@vger.kernel.org
Cc: xjtuwjp@gmail.com, Vasanthalakshmi.Tharmarajan@pmcs.com,
Suresh.Thiagarajan@pmcs.com
Subject: Re: [PATCH v2 2/2] pm80xx : Fixed return value issue
Date: Wed, 11 Dec 2013 17:36:16 +0100 [thread overview]
Message-ID: <52A89480.1010104@redhat.com> (raw)
In-Reply-To: <1386651698-4331-1-git-send-email-Viswas.G@pmcs.com>
On 12/10/2013 06:01 AM, Viswas G wrote:
> pm80xx_get_gsm_dump() was returning "1" in error case
> instead of negative error value.
>
> Signed-off-by: Viswas G <Viswas.G@pmcs.com>
> Reviewed-by: Jack Wang <jinpu.wang@profitbricks.com>
> Acked-by: TomasHenzl <thenzl@redhat.com>
Hi Viswas,
I've ack-ed a different patch before, so I don't think you should add that acked-by line.
The V2 patch is fine for me too, so again -
Acked-by: Tomas Henzl <thenzl@redhat.com>
And, when you refer to my name, please add me to the cc-list, otherwise I could miss the mail.
Tomas
> ---
> drivers/scsi/pm8001/pm8001_ctl.c | 4 ++--
> drivers/scsi/pm8001/pm8001_hwi.c | 8 ++++----
> drivers/scsi/pm8001/pm80xx_hwi.c | 15 ++++-----------
> 3 files changed, 10 insertions(+), 17 deletions(-)
>
> diff --git a/drivers/scsi/pm8001/pm8001_ctl.c b/drivers/scsi/pm8001/pm8001_ctl.c
> index 1738965..28b4e81 100644
> --- a/drivers/scsi/pm8001/pm8001_ctl.c
> +++ b/drivers/scsi/pm8001/pm8001_ctl.c
> @@ -452,7 +452,7 @@ static DEVICE_ATTR(iop_log, S_IRUGO, pm8001_ctl_iop_log_show, NULL);
> static ssize_t pm8001_ctl_fatal_log_show(struct device *cdev,
> struct device_attribute *attr, char *buf)
> {
> - u32 count;
> + ssize_t count;
>
> count = pm80xx_get_fatal_dump(cdev, attr, buf);
> return count;
> @@ -470,7 +470,7 @@ static DEVICE_ATTR(fatal_log, S_IRUGO, pm8001_ctl_fatal_log_show, NULL);
> static ssize_t pm8001_ctl_gsm_log_show(struct device *cdev,
> struct device_attribute *attr, char *buf)
> {
> - u32 count;
> + ssize_t count;
>
> count = pm8001_get_gsm_dump(cdev, SYSFS_OFFSET, buf);
> return count;
> diff --git a/drivers/scsi/pm8001/pm8001_hwi.c b/drivers/scsi/pm8001/pm8001_hwi.c
> index 2aa0681..46ace52 100644
> --- a/drivers/scsi/pm8001/pm8001_hwi.c
> +++ b/drivers/scsi/pm8001/pm8001_hwi.c
> @@ -5020,7 +5020,7 @@ pm8001_get_gsm_dump(struct device *cdev, u32 length, char *buf)
> /* check max is 1 Mbytes */
> if ((length > 0x100000) || (gsm_dump_offset & 3) ||
> ((gsm_dump_offset + length) > 0x1000000))
> - return 1;
> + return -EINVAL;
>
> if (pm8001_ha->chip_id == chip_8001)
> bar = 2;
> @@ -5048,12 +5048,12 @@ pm8001_get_gsm_dump(struct device *cdev, u32 length, char *buf)
> gsm_base = GSM_BASE;
> if (-1 == pm8001_bar4_shift(pm8001_ha,
> (gsm_base + shift_value)))
> - return 1;
> + return -EIO;
> } else {
> gsm_base = 0;
> if (-1 == pm80xx_bar4_shift(pm8001_ha,
> (gsm_base + shift_value)))
> - return 1;
> + return -EIO;
> }
> gsm_dump_offset = (gsm_dump_offset + offset) &
> 0xFFFF0000;
> @@ -5073,7 +5073,7 @@ pm8001_get_gsm_dump(struct device *cdev, u32 length, char *buf)
> }
> /* Shift back to BAR4 original address */
> if (-1 == pm8001_bar4_shift(pm8001_ha, 0))
> - return 1;
> + return -EIO;
> pm8001_ha->fatal_forensic_shift_offset += 1024;
>
> if (pm8001_ha->fatal_forensic_shift_offset >= 0x100000)
> diff --git a/drivers/scsi/pm8001/pm80xx_hwi.c b/drivers/scsi/pm8001/pm80xx_hwi.c
> index c950dc5..65de79c 100644
> --- a/drivers/scsi/pm8001/pm80xx_hwi.c
> +++ b/drivers/scsi/pm8001/pm80xx_hwi.c
> @@ -91,7 +91,6 @@ ssize_t pm80xx_get_fatal_dump(struct device *cdev,
> struct sas_ha_struct *sha = SHOST_TO_SAS_HA(shost);
> struct pm8001_hba_info *pm8001_ha = sha->lldd_ha;
> void __iomem *fatal_table_address = pm8001_ha->fatal_tbl_addr;
> - u32 status = 1;
> u32 accum_len , reg_val, index, *temp;
> unsigned long start;
> u8 *direct_data;
> @@ -111,13 +110,10 @@ ssize_t pm80xx_get_fatal_dump(struct device *cdev,
> direct_data = (u8 *)fatal_error_data;
> pm8001_ha->forensic_info.data_type = TYPE_NON_FATAL;
> pm8001_ha->forensic_info.data_buf.direct_len = SYSFS_OFFSET;
> - pm8001_ha->forensic_info.data_buf.direct_offset = 0;
> pm8001_ha->forensic_info.data_buf.read_len = 0;
>
> pm8001_ha->forensic_info.data_buf.direct_data = direct_data;
> - }
> -
> - if (pm8001_ha->forensic_info.data_buf.direct_offset == 0) {
> +
> /* start to get data */
> /* Program the MEMBASE II Shifting Register with 0x00.*/
> pm8001_cw32(pm8001_ha, 0, MEMBASE_II_SHIFT_REGISTER,
> @@ -126,6 +122,7 @@ ssize_t pm80xx_get_fatal_dump(struct device *cdev,
> pm8001_ha->forensic_fatal_step = 0;
> pm8001_ha->fatal_bar_loc = 0;
> }
> +
> /* Read until accum_len is retrived */
> accum_len = pm8001_mr32(fatal_table_address,
> MPI_FATAL_EDUMP_TABLE_ACCUM_LEN);
> @@ -135,7 +132,7 @@ ssize_t pm80xx_get_fatal_dump(struct device *cdev,
> PM8001_IO_DBG(pm8001_ha,
> pm8001_printk("Possible PCI issue 0x%x not expected\n",
> accum_len));
> - return status;
> + return -EIO;
> }
> if (accum_len == 0 || accum_len >= 0x100000) {
> pm8001_ha->forensic_info.data_buf.direct_data +=
> @@ -178,7 +175,6 @@ moreData:
> pm8001_ha->forensic_fatal_step = 1;
> pm8001_ha->fatal_forensic_shift_offset = 0;
> pm8001_ha->forensic_last_offset = 0;
> - status = 0;
> return (char *)pm8001_ha->
> forensic_info.data_buf.direct_data -
> (char *)buf;
> @@ -194,7 +190,6 @@ moreData:
> forensic_info.data_buf.direct_data,
> "%08x ", *(temp + index));
> }
> - status = 0;
> return (char *)pm8001_ha->
> forensic_info.data_buf.direct_data -
> (char *)buf;
> @@ -214,7 +209,6 @@ moreData:
> pm8001_cw32(pm8001_ha, 0, MEMBASE_II_SHIFT_REGISTER,
> pm8001_ha->fatal_forensic_shift_offset);
> pm8001_ha->fatal_bar_loc = 0;
> - status = 0;
> return (char *)pm8001_ha->forensic_info.data_buf.direct_data -
> (char *)buf;
> }
> @@ -239,7 +233,7 @@ moreData:
> PM8001_FAIL_DBG(pm8001_ha,
> pm8001_printk("TIMEOUT:MEMBASE_II_SHIFT_REGISTER"
> " = 0x%x\n", reg_val));
> - return -1;
> + return -EIO;
> }
>
> /* Read the next 64K of the debug data. */
> @@ -259,7 +253,6 @@ moreData:
> pm8001_ha->forensic_info.data_buf.direct_len = 0;
> pm8001_ha->forensic_info.data_buf.direct_offset = 0;
> pm8001_ha->forensic_info.data_buf.read_len = 0;
> - status = 0;
> }
> }
>
next prev parent reply other threads:[~2013-12-11 16:36 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-12-10 5:01 [PATCH v2 2/2] pm80xx : Fixed return value issue Viswas G
2013-12-11 16:36 ` Tomas Henzl [this message]
2013-12-11 19:47 ` James Bottomley
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