user_shell: Fix unchecked return value of osmo_fd_register()
Fixes: CID#307519: Unchecked return value (CHECKED_RETURN)
Change-Id: I68ed44464573b9a6fecd07cf13fd2d6f4a1013bb
diff --git a/src/client/user_shell.c b/src/client/user_shell.c
index 5d37e97..f0dcd55 100644
--- a/src/client/user_shell.c
+++ b/src/client/user_shell.c
@@ -170,11 +170,15 @@
int client_user_main(struct bankd_client *bc)
{
struct stdin_state ss;
+ int rc;
/* register stdin file descriptor with osmocom select loop abstraction */
memset(&ss, 0, sizeof(ss));
osmo_fd_setup(&ss.ofd, fileno(stdin), OSMO_FD_READ, &stdin_fd_cb, &ss, 0);
- osmo_fd_register(&ss.ofd);
+ rc = osmo_fd_register(&ss.ofd);
+ if (rc < 0)
+ return rc;
+
ss.bc = bc;
while (1) {