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authorLinus Torvalds <torvalds@linux-foundation.org>2016-02-14 11:57:24 -0800
committerLinus Torvalds <torvalds@linux-foundation.org>2016-02-14 11:57:24 -0800
commit6a810945ed23554aa71634ff0bf976da41de9045 (patch)
treea022eb43238d26f0cde3afcb93db31a6dbe46bc2
parent8ab54ed6412f42a1769cf64d4900f49a422d4292 (diff)
parent0f26922fe5dc5724b1adbbd54b21bad03590b4f3 (diff)
downloadlinux-stericsson-6a810945ed23554aa71634ff0bf976da41de9045.tar.gz
Merge branch 'timers-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull timer fix from Thomas Gleixner: "A single fix preventing a 32bit overflow in timespec/val to cputime conversions on 32bit machines" * 'timers-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: cputime: Prevent 32bit overflow in time[val|spec]_to_cputime()
-rw-r--r--include/asm-generic/cputime_nsecs.h5
1 files changed, 3 insertions, 2 deletions
diff --git a/include/asm-generic/cputime_nsecs.h b/include/asm-generic/cputime_nsecs.h
index 0419485891f2..0f1c6f315cdc 100644
--- a/include/asm-generic/cputime_nsecs.h
+++ b/include/asm-generic/cputime_nsecs.h
@@ -75,7 +75,7 @@ typedef u64 __nocast cputime64_t;
*/
static inline cputime_t timespec_to_cputime(const struct timespec *val)
{
- u64 ret = val->tv_sec * NSEC_PER_SEC + val->tv_nsec;
+ u64 ret = (u64)val->tv_sec * NSEC_PER_SEC + val->tv_nsec;
return (__force cputime_t) ret;
}
static inline void cputime_to_timespec(const cputime_t ct, struct timespec *val)
@@ -91,7 +91,8 @@ static inline void cputime_to_timespec(const cputime_t ct, struct timespec *val)
*/
static inline cputime_t timeval_to_cputime(const struct timeval *val)
{
- u64 ret = val->tv_sec * NSEC_PER_SEC + val->tv_usec * NSEC_PER_USEC;
+ u64 ret = (u64)val->tv_sec * NSEC_PER_SEC +
+ val->tv_usec * NSEC_PER_USEC;
return (__force cputime_t) ret;
}
static inline void cputime_to_timeval(const cputime_t ct, struct timeval *val)