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: Kyle McMartin <kyle@xxxxxxxxxxx>
Cc: linux-parisc@xxxxxxxxxxxxxxx
Cc: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
Signed-off-by: S.Çağlar Onur <caglar@xxxxxxxxxxxxx>
---
arch/parisc/kernel/unaligned.c | 2 +-
1 files changed, 1 insertions(+), 1 deletions(-)
diff --git a/arch/parisc/kernel/unaligned.c b/arch/parisc/kernel/unaligned.c
index aebf3c1..19b8a79 100644
--- a/arch/parisc/kernel/unaligned.c
+++ b/arch/parisc/kernel/unaligned.c
@@ -460,7 +460,7 @@ void handle_unaligned(struct pt_regs *regs)
goto force_sigbus;
}
- if (unaligned_count > 5 && jiffies - last_time > 5*HZ) {
+ if (unaligned_count > 5 && time_after(jiffies, last_time + 5 * HZ)) {
unaligned_count = 0;
last_time = jiffies;
}
--
1.5.4.3
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