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authorTina Ruchandani <ruchandani.tina@gmail.com>2015-10-30 01:30:40 -0700
committerJames Bottomley <JBottomley@Odin.com>2015-11-09 17:42:19 -0800
commit0da39687a15403251bdfd1c6fb18025c0607326b (patch)
tree624cc14dc0979e97981332ae81c1b5725b2908b2
parent5cb9b40d6127fed91b00abe44498f19f6ed6a77f (diff)
stex: Remove use of struct timeval
Function stex_gettime uses 'struct timeval' whose tv_sec value will overflow on 32-bit systems in year 2038 and beyond. This patch replaces the use of struct timeval and do_gettimeofday with ktime_get_real_seconds, which returns a 64-bit seconds value. Suggested-by: Arnd Bergmann <arnd@arndb.de> Signed-off-by: Tina Ruchandani <ruchandani.tina@gmail.com> Reviewed-by: Johannes Thumshirn <jthumshirn@suse.de> Signed-off-by: James Bottomley <JBottomley@Odin.com>
-rw-r--r--drivers/scsi/stex.c13
1 files changed, 3 insertions, 10 deletions
diff --git a/drivers/scsi/stex.c b/drivers/scsi/stex.c
index 56353cd9abd3..2de28d7a0b04 100644
--- a/drivers/scsi/stex.c
+++ b/drivers/scsi/stex.c
@@ -25,6 +25,7 @@
#include <linux/types.h>
#include <linux/module.h>
#include <linux/spinlock.h>
+#include <linux/ktime.h>
#include <asm/io.h>
#include <asm/irq.h>
#include <asm/byteorder.h>
@@ -362,14 +363,6 @@ MODULE_DESCRIPTION("Promise Technology SuperTrak EX Controllers");
MODULE_LICENSE("GPL");
MODULE_VERSION(ST_DRIVER_VERSION);
-static void stex_gettime(__le64 *time)
-{
- struct timeval tv;
-
- do_gettimeofday(&tv);
- *time = cpu_to_le64(tv.tv_sec);
-}
-
static struct status_msg *stex_get_status(struct st_hba *hba)
{
struct status_msg *status = hba->status_buffer + hba->status_tail;
@@ -1002,7 +995,7 @@ static int stex_common_handshake(struct st_hba *hba)
h->req_cnt = cpu_to_le16(hba->rq_count+1);
h->status_sz = cpu_to_le16(sizeof(struct status_msg));
h->status_cnt = cpu_to_le16(hba->sts_count+1);
- stex_gettime(&h->hosttime);
+ h->hosttime = cpu_to_le64(ktime_get_real_seconds());
h->partner_type = HMU_PARTNER_TYPE;
if (hba->extra_offset) {
h->extra_offset = cpu_to_le32(hba->extra_offset);
@@ -1076,7 +1069,7 @@ static int stex_ss_handshake(struct st_hba *hba)
h->req_cnt = cpu_to_le16(hba->rq_count+1);
h->status_sz = cpu_to_le16(sizeof(struct status_msg));
h->status_cnt = cpu_to_le16(hba->sts_count+1);
- stex_gettime(&h->hosttime);
+ h->hosttime = cpu_to_le64(ktime_get_real_seconds());
h->partner_type = HMU_PARTNER_TYPE;
h->extra_offset = h->extra_size = 0;
scratch_size = (hba->sts_count+1)*sizeof(u32);

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