lib/pager: check open() return code [coverity scan]

Signed-off-by: Karel Zak <kzak@redhat.com>
2017-10-11 14:42:49 +02:00 · 2017-10-11 14:42:49 +02:00 · 1458c5c750
parent 4bb91e84ff
commit 1458c5c750
1 changed files with 2 additions and 0 deletions
--- a/lib/pager.c
+++ b/lib/pager.c
@ -192,6 +192,8 @@ static int has_command(const char *cmd)

 	for(s = strtok(p, ":"); s; s = strtok(NULL, ":")) {
 		int fd = open(s, O_RDONLY|O_CLOEXEC);
+		if (fd < 0)
+			continue;
 		rc = faccessat(fd, cmd, X_OK, 0) == 0;
 		close(fd);
 		if (rc)