blkdiscard: fix compiler warnings [-Wmaybe-uninitialized]

sys-utils/blkdiscard.c: In function 'main':
sys-utils/blkdiscard.c:304:33: warning: 'now.tv_usec' may be used uninitialized in this function [-Wmaybe-uninitialized]
sys-utils/blkdiscard.c:152:17: note: 'now.tv_usec' was declared here
sys-utils/blkdiscard.c:305:37: warning: 'now.tv_sec' may be used uninitialized in this function [-Wmaybe-uninitialized]
sys-utils/blkdiscard.c:152:17: note: 'now.tv_sec' was declared here
sys-utils/blkdiscard.c:304:33: warning: 'last.tv_usec' may be used uninitialized in this function [-Wmaybe-uninitialized]
sys-utils/blkdiscard.c:152:22: note: 'last.tv_usec' was declared here
sys-utils/blkdiscard.c:305:65: warning: 'last.tv_sec' may be used uninitialized in this function [-Wmaybe-uninitialized]
sys-utils/blkdiscard.c:152:22: note: 'last.tv_sec' was declared here

Signed-off-by: Karel Zak <kzak@redhat.com>

diff --git a/sys-utils/blkdiscard.c b/sys-utils/blkdiscard.c
index 8abc425a8f85d14cbd7e9f4d736eee2d5b8e7469..2ccbbaa903032a99e3fbfbb61cda07eee678003b 100644 (file)
--- a/sys-utils/blkdiscard.c
+++ b/sys-utils/blkdiscard.c
@@ -149,7 +149,7 @@ int main(int argc, char **argv)
        int c, fd, verbose = 0, secsize, force = 0;
        uint64_t end, blksize, step, range[2], stats[2];
        struct stat sb;
-       struct timeval now, last;
+       struct timeval now = { 0 }, last = { 0 };
        int act = ACT_DISCARD;
 
        static const struct option longopts[] = {