summaryrefslogtreecommitdiff
path: root/include/linux/time64.h
diff options
context:
space:
mode:
authorJiri Kosina <jkosina@suse.cz>2020-12-16 11:41:05 +0100
committerJiri Kosina <jkosina@suse.cz>2020-12-16 11:41:05 +0100
commite77bc7dc9af0ec53996367b2053dfafee83b7edb (patch)
tree7850cb0cc9e0d7308992b2b983052c5f209245bd /include/linux/time64.h
parent105856b36c0cefc2fa1c1e649d75da71e2e38c31 (diff)
parent82514ecd61435c2d47c235e1343872b38db17be4 (diff)
Merge branch 'for-5.11/elecom' into for-linus
- support for EX-G M-XGL20DLBK device, from YOSHIOKA Takuma
Diffstat (limited to 'include/linux/time64.h')
-rw-r--r--include/linux/time64.h4
1 files changed, 4 insertions, 0 deletions
diff --git a/include/linux/time64.h b/include/linux/time64.h
index c9dcb3e5781f..5117cb5b5656 100644
--- a/include/linux/time64.h
+++ b/include/linux/time64.h
@@ -124,6 +124,10 @@ static inline bool timespec64_valid_settod(const struct timespec64 *ts)
*/
static inline s64 timespec64_to_ns(const struct timespec64 *ts)
{
+ /* Prevent multiplication overflow */
+ if ((unsigned long long)ts->tv_sec >= KTIME_SEC_MAX)
+ return KTIME_MAX;
+
return ((s64) ts->tv_sec * NSEC_PER_SEC) + ts->tv_nsec;
}