[dpdk-dev] [PATCH] examples/netmap_compat: fix infinite loop
Michal Kobylinski
michalx.kobylinski at intel.com
Fri Apr 22 12:47:29 CEST 2016
Fix issue reported by Coverity.
Coverity ID 30701: Infinite loop: The loop does not have a normal
termination condition, so will continue until an abnormal condition
arises. In rte_netmap_poll: Infinite loop with unsatisfiable exit
condition.
Fixes: 06371afe394d ("examples/netmap_compat: import netmap compatibility example")
Signed-off-by: Michal Kobylinski <michalx.kobylinski at intel.com>
---
examples/netmap_compat/lib/compat_netmap.c | 5 +++++
1 file changed, 5 insertions(+)
diff --git a/examples/netmap_compat/lib/compat_netmap.c b/examples/netmap_compat/lib/compat_netmap.c
index bf1b418..8cb5764 100644
--- a/examples/netmap_compat/lib/compat_netmap.c
+++ b/examples/netmap_compat/lib/compat_netmap.c
@@ -865,6 +865,11 @@ rte_netmap_poll(struct pollfd *fds, nfds_t nfds, int timeout)
uint32_t i, idx, port;
uint32_t want_rx, want_tx;
+ if (timeout > 0) {
+ ret = -1;
+ return ret;
+ }
+
ret = 0;
do {
for (i = 0; i < nfds; i++) {
--
1.9.1
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