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authorTina Ruchandani <ruchandani.tina@gmail.com>2015-10-30 02:11:10 -0700
committerMartin K. Petersen <martin.petersen@oracle.com>2015-11-11 20:45:23 -0500
commit36f8ef7f7684997f1c1efcc775b1d7cdf452ce44 (patch)
treeef5b0befbf45fc9d46c4a6f561697161d6515d92 /drivers
parentdd29dae00d39186890a5eaa2fe4ad8768bfd41a9 (diff)
mvumi: 64bit value for seconds_since1970
struct mvumi_hs_page2 stores a "seconds_since1970" field which is of type u64. It is however, written to, using 'struct timeval' which has a 32-bit seconds field and whose value will overflow in year 2038. This patch uses ktime_get_real_seconds() instead since it provides a 64-bit seconds value, which is 2038 safe. Signed-off-by: Tina Ruchandani <ruchandani.tina@gmail.com> Reviewed-by: Johannes Thumshirn <jthumshirn@suse.de> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Diffstat (limited to 'drivers')
-rw-r--r--drivers/scsi/mvumi.c10
1 files changed, 5 insertions, 5 deletions
diff --git a/drivers/scsi/mvumi.c b/drivers/scsi/mvumi.c
index 3e6b866759fe..02360de6b7e0 100644
--- a/drivers/scsi/mvumi.c
+++ b/drivers/scsi/mvumi.c
@@ -31,6 +31,7 @@
#include <linux/spinlock.h>
#include <linux/interrupt.h>
#include <linux/delay.h>
+#include <linux/ktime.h>
#include <linux/blkdev.h>
#include <linux/io.h>
#include <scsi/scsi.h>
@@ -858,8 +859,8 @@ static void mvumi_hs_build_page(struct mvumi_hba *mhba,
struct mvumi_hs_page2 *hs_page2;
struct mvumi_hs_page4 *hs_page4;
struct mvumi_hs_page3 *hs_page3;
- struct timeval time;
- unsigned int local_time;
+ u64 time;
+ u64 local_time;
switch (hs_header->page_code) {
case HS_PAGE_HOST_INFO:
@@ -877,9 +878,8 @@ static void mvumi_hs_build_page(struct mvumi_hba *mhba,
hs_page2->slot_number = 0;
hs_page2->intr_level = 0;
hs_page2->intr_vector = 0;
- do_gettimeofday(&time);
- local_time = (unsigned int) (time.tv_sec -
- (sys_tz.tz_minuteswest * 60));
+ time = ktime_get_real_seconds();
+ local_time = (time - (sys_tz.tz_minuteswest * 60));
hs_page2->seconds_since1970 = local_time;
hs_header->checksum = mvumi_calculate_checksum(hs_header,
hs_header->frame_length);

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