sulogin: check result of the open() [coverity scan]

Signed-off-by: Karel Zak <kzak@redhat.com>

diff --git a/login-utils/sulogin.c b/login-utils/sulogin.c
index 15fb28b6a6aa3ab034e37286b9bf9f25c1a2edaa..0eb61d54ef72e0f5fc242708915c87179b211726 100644 (file)
--- a/login-utils/sulogin.c
+++ b/login-utils/sulogin.c
@@ -97,6 +97,8 @@ static int plymouth_command(const char* arg)
        pid = fork();
        if (!pid) {
                int fd = open("/dev/null", O_RDWR);
+               if (fd < 0)
+                       exit(127);
                dup2(fd, 0);
                dup2(fd, 1);
                dup2(fd, 2);