The functions time_before, time_before_eq, time_after, and time_after_eq are more robust for comparing jiffies against other values.
So following patch implements usage of the time_after() macro, defined at linux/jiffies.h, which deals with wrapping correctly
Cc: sparclinux@xxxxxxxxxxxxxxx
Signed-off-by: S.Çağlar Onur <caglar@xxxxxxxxxxxxx>
---
arch/sparc64/kernel/unaligned.c | 3 ++-
1 files changed, 2 insertions(+), 1 deletions(-)
diff --git a/arch/sparc64/kernel/unaligned.c b/arch/sparc64/kernel/unaligned.c
index dc7bf1b..1a511e9 100644
--- a/arch/sparc64/kernel/unaligned.c
+++ b/arch/sparc64/kernel/unaligned.c
@@ -7,6 +7,7 @@
*/
+#include <linux/jiffies.h>
#include <linux/kernel.h>
#include <linux/sched.h>
#include <linux/mm.h>
@@ -283,7 +284,7 @@ static void log_unaligned(struct pt_regs *regs)
{
static unsigned long count, last_time;
- if (jiffies - last_time > 5 * HZ)
+ if (time_after(jiffies, last_time + 5 * HZ))
count = 0;
if (count < 5) {
last_time = jiffies;
--
1.5.3.7
-
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