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Fix wrap bug in mtime_since()
author
Jens Axboe
<axboe@kernel.dk>
Fri, 16 Mar 2012 12:55:27 +0000
(13:55 +0100)
committer
Jens Axboe
<axboe@kernel.dk>
Fri, 16 Mar 2012 12:55:27 +0000
(13:55 +0100)
Signed-off-by: Jens Axboe <axboe@kernel.dk>
time.c
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diff --git
a/time.c
b/time.c
index ef05094e733915fc1c2c59a0ef8bd17ac8d9613b..4af84bc7cc5b6a2e1f0be57f284e3e6c3d57f2c8 100644
(file)
--- a/
time.c
+++ b/
time.c
@@
-48,16
+48,13
@@
unsigned long mtime_since(struct timeval *s, struct timeval *e)
usec += 1000000;
}
+ if (sec < 0 || (sec == 0 && usec < 0))
+ return 0;
+
sec *= 1000UL;
usec /= 1000UL;
ret = sec + usec;
- /*
- * time warp bug on some kernels?
- */
- if (ret < 0)
- ret = 0;
-
return ret;
}