Add return value check for poll() call. Coverity issue: 140740 Fixes: 59317cef249c ("vhost: allow many vhost-user ports") Cc: jan.wick...@ericsson.com Cc: sta...@dpdk.org
Signed-off-by: Kuba Kozak <kubax.ko...@intel.com> --- lib/librte_vhost/fd_man.c | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-) diff --git a/lib/librte_vhost/fd_man.c b/lib/librte_vhost/fd_man.c index 2ceacc9..4c6fed4 100644 --- a/lib/librte_vhost/fd_man.c +++ b/lib/librte_vhost/fd_man.c @@ -222,6 +222,7 @@ fdset_event_dispatch(void *arg) int remove1, remove2; int need_shrink; struct fdset *pfdset = arg; + int val; if (pfdset == NULL) return NULL; @@ -239,7 +240,9 @@ fdset_event_dispatch(void *arg) numfds = pfdset->num; pthread_mutex_unlock(&pfdset->fd_mutex); - poll(pfdset->rwfds, numfds, 1000 /* millisecs */); + val = poll(pfdset->rwfds, numfds, 1000 /* millisecs */); + if (val < 0) + continue; need_shrink = 0; for (i = 0; i < numfds; i++) { -- 2.7.4