The structure:
struct timeval {
__kernel_time_t tv_sec; /* seconds */
__kernel_suseconds_t tv_usec; /* microseconds */
};
both __kernel_time_t and __kernel_suseconds_t are short than u64
when it is 32bit platform, so force u64 conversion here.
Signed-off-by: zengtao <prime.z...@huawei.com>
---
include/asm-generic/cputime_nsecs.h | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/include/asm-generic/cputime_nsecs.h
b/include/asm-generic/cputime_nsecs.h
index 0419485..e2f7ff9 100644
--- a/include/asm-generic/cputime_nsecs.h
+++ b/include/asm-generic/cputime_nsecs.h
@@ -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)
--
1.9.1
