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| author | hank <pyu@redhat.com> | 2011-09-20 13:53:39 -0700 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2011-09-21 10:28:51 +0200 |
| commit | cbbc719fccdb8cbd87350a05c0d33167c9b79365 (patch) | |
| tree | f62c754b5e74756024b16abaad69a70779a6a84d | |
| parent | 4523f6ada86853750565c68e17126af2e3df9b8a (diff) | |
| download | linux-cbbc719fccdb8cbd87350a05c0d33167c9b79365.tar.gz linux-cbbc719fccdb8cbd87350a05c0d33167c9b79365.tar.bz2 linux-cbbc719fccdb8cbd87350a05c0d33167c9b79365.zip | |
time: Change jiffies_to_clock_t() argument type to unsigned long
The parameter's origin type is long. On an i386 architecture, it can
easily be larger than 0x80000000, causing this function to convert it
to a sign-extended u64 type.
Change the type to unsigned long so we get the correct result.
Signed-off-by: hank <pyu@redhat.com>
Cc: John Stultz <john.stultz@linaro.org>
Cc: <stable@kernel.org>
[ build fix ]
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
| -rw-r--r-- | include/linux/jiffies.h | 2 | ||||
| -rw-r--r-- | kernel/time.c | 2 |
2 files changed, 2 insertions, 2 deletions
diff --git a/include/linux/jiffies.h b/include/linux/jiffies.h index f97672a36fa8..265e2c3cbd1c 100644 --- a/include/linux/jiffies.h +++ b/include/linux/jiffies.h @@ -303,7 +303,7 @@ extern void jiffies_to_timespec(const unsigned long jiffies, extern unsigned long timeval_to_jiffies(const struct timeval *value); extern void jiffies_to_timeval(const unsigned long jiffies, struct timeval *value); -extern clock_t jiffies_to_clock_t(long x); +extern clock_t jiffies_to_clock_t(unsigned long x); extern unsigned long clock_t_to_jiffies(unsigned long x); extern u64 jiffies_64_to_clock_t(u64 x); extern u64 nsec_to_clock_t(u64 x); diff --git a/kernel/time.c b/kernel/time.c index 8e8dc6d705c9..d77606214529 100644 --- a/kernel/time.c +++ b/kernel/time.c @@ -575,7 +575,7 @@ EXPORT_SYMBOL(jiffies_to_timeval); /* * Convert jiffies/jiffies_64 to clock_t and back. */ -clock_t jiffies_to_clock_t(long x) +clock_t jiffies_to_clock_t(unsigned long x) { #if (TICK_NSEC % (NSEC_PER_SEC / USER_HZ)) == 0 # if HZ < USER_HZ |