From: Johannes Thumshirn <jthumshirn@suse.de>
To: Tina Ruchandani <ruchandani.tina@gmail.com>, linux-scsi@vger.kernel.org
Cc: y2038@lists.linaro.org,
"James E.J. Bottomley" <JBottomley@parallels.com>,
Arnd Bergmann <arnd@arndb.de>
Subject: Re: [RESEND PATCH] qla2xxx: Remove use of 'struct timeval'
Date: Fri, 30 Oct 2015 10:36:16 +0100 [thread overview]
Message-ID: <1446197776.16404.57.camel@suse.de> (raw)
In-Reply-To: <20151030091526.GA4028@tina-laptop>
On Fri, 2015-10-30 at 02:15 -0700, Tina Ruchandani wrote:
> struct register_host_info stores a 64-bit UTC system time timestamp.
> This patch removes the use of 'struct timeval' to obtain that
> timestamp
> as its tv_sec value will overflow on 32-bit systems in year 2038
> beyond.
> The patch uses ktime_get_real_seconds() which returns a 64-bit
> seconds value.
>
> Signed-off-by: Tina Ruchandani <ruchandani.tina@gmail.com>
Reviewed-by: Johannes Thumshirn <jthumshirn@suse.de>
> ---
> drivers/scsi/qla2xxx/qla_mr.c | 5 ++---
> 1 file changed, 2 insertions(+), 3 deletions(-)
>
> diff --git a/drivers/scsi/qla2xxx/qla_mr.c
> b/drivers/scsi/qla2xxx/qla_mr.c
> index 6d190b4..d64a64a 100644
> --- a/drivers/scsi/qla2xxx/qla_mr.c
> +++ b/drivers/scsi/qla2xxx/qla_mr.c
> @@ -6,6 +6,7 @@
> */
> #include "qla_def.h"
> #include <linux/delay.h>
> +#include <linux/ktime.h>
> #include <linux/pci.h>
> #include <linux/ratelimit.h>
> #include <linux/vmalloc.h>
> @@ -1812,7 +1813,6 @@ qlafx00_fx_disc(scsi_qla_host_t *vha, fc_port_t
> *fcport, uint16_t fx_type)
> struct host_system_info *phost_info;
> struct register_host_info *preg_hsi;
> struct new_utsname *p_sysid = NULL;
> - struct timeval tv;
>
> sp = qla2x00_get_sp(vha, fcport, GFP_KERNEL);
> if (!sp)
> @@ -1886,8 +1886,7 @@ qlafx00_fx_disc(scsi_qla_host_t *vha, fc_port_t
> *fcport, uint16_t fx_type)
> p_sysid->domainname, DOMNAME_LENGTH);
> strncpy(phost_info->hostdriver,
> QLA2XXX_VERSION, VERSION_LENGTH);
> - do_gettimeofday(&tv);
> - preg_hsi->utc = (uint64_t)tv.tv_sec;
> + preg_hsi->utc =
> (uint64_t)ktime_get_real_seconds();
> ql_dbg(ql_dbg_init, vha, 0x0149,
> "ISP%04X: Host registration with
> firmware\n",
> ha->pdev->device);
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next prev parent reply other threads:[~2015-10-30 9:36 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-10-30 9:15 [RESEND PATCH] qla2xxx: Remove use of 'struct timeval' Tina Ruchandani
2015-10-30 9:36 ` Johannes Thumshirn [this message]
2015-11-05 16:33 ` Arnd Bergmann
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