net: Argument cannot be negative (NEGATIVE_RETURNS)

CID 192961 (#1 of 1): Argument cannot be negative (NEGATIVE_RETURNS) sockfd is passed to a parameter that cannot be negative. Signed-off-by: Adrian Reber <areber@redhat.com>
criupatchwork · Oct 20, 2020 · 4a77e04 · 4a77e04
1 parent 5631e9d
commit 4a77e04
Showing 1 changed file with 4 additions and 0 deletions.
diff --git a/criu/net.c b/criu/net.c
@@ -2084,6 +2084,10 @@ static int restore_ip_dump(int type, int pid, char *cmd)
 		return 0;
 	}
 	sockfd = img_raw_fd(img);
+	if (sockfd < 0) {
+		pr_err("Getting raw FD failed\n");
+		return -1;
+	}
 	tmp_file = tmpfile();
 	if (!tmp_file) {
 		pr_perror("Failed to open tmpfile");