samples: sockets: socketpair: mitigate negative index

Fixes #25780 Coverity-CID: 210612 Signed-off-by: Christopher Friedt <chrisfriedt@gmail.com>
zephyrproject-rtos · Jun 3, 2020 · fb9f6a4 · fb9f6a4
1 parent 9cc82a0
commit fb9f6a4
Showing 1 changed file with 4 additions and 0 deletions.
diff --git a/samples/net/sockets/socketpair/src/socketpair_example.c b/samples/net/sockets/socketpair/src/socketpair_example.c
@@ -181,6 +181,10 @@ int main(int argc, char *argv[])
 
 			fd = fds[i].fd;
 			idx = fd_to_idx(fd, ctx, ARRAY_SIZE(ctx));
+			if (idx < 0) {
+				printf("failed to map fd %d to index\n", fd);
+				continue;
+			}
 
 			if ((fds[i].revents & POLLIN) != 0) {