commit fe46c75d259f95b11f917e71906dd47aa5d74f8e
author Ramakrishna Pallala <ramakrishna.pallala@intel.com> Thu Apr 05 23:07:55 2018 +0530
committer Anas Nashif <nashif@linux.intel.com> Thu Apr 05 16:43:05 2018 -0400
tree 0fd8bb027f576f0922e24f9de19b344eb4dcb3d3
parent 4226c6d8b2c765848661bdb228befbcde4b1a215

lib: posix: Fix integer overflow in timer_gettime

Fix 'Unintentional integer overflow' coverity issue
in timer_gettime().

Coverity-CID: 183038

Signed-off-by: Ramakrishna Pallala <ramakrishna.pallala@intel.com>

lib/posix/timer.c

diff --git a/lib/posix/timer.c b/lib/posix/timer.c
index 3863abf..225fb7c 100644
--- a/lib/posix/timer.c
+++ b/lib/posix/timer.c
@@ -103,7 +103,7 @@
 		remaining = k_timer_remaining_get(&timer->ztimer);
 		secs =  remaining / MSEC_PER_SEC;
 		leftover = remaining - (secs * MSEC_PER_SEC);
-		nsecs = leftover * NSEC_PER_MSEC;
+		nsecs = (s64_t)leftover * NSEC_PER_MSEC;
 		its->it_value.tv_sec = (s32_t) secs;
 		its->it_value.tv_nsec = (s32_t) nsecs;
 	} else {