lxc_user_nic: report failing filename in open_and_lock error cases

Signed-off-by: Serge Hallyn <serge.hallyn@ubuntu.com>
Acked-by: Stéphane Graber <stgraber@ubuntu.com>

diff --git a/src/lxc/lxc_user_nic.c b/src/lxc/lxc_user_nic.c
index 0b82a5033d149dcbefb50300893d5e003f29366b..4154e8341b7b8445e147517b6b6a85c9dcda6a60 100644 (file)
--- a/src/lxc/lxc_user_nic.c
+++ b/src/lxc/lxc_user_nic.c
@@ -105,7 +105,8 @@ int open_and_lock(char *path)
 
        fd = open(path, O_RDWR|O_CREAT, S_IWUSR | S_IRUSR);
        if (fd < 0) {
-               perror("open");
+               fprintf(stderr, "Failed to open %s: %s\n",
+                       path, strerror(errno));
                return(fd);
        }
 
@@ -114,7 +115,8 @@ int open_and_lock(char *path)
        lk.l_start = 0;
        lk.l_len = 0;
        if (fcntl(fd, F_SETLKW, &lk) < 0) {
-               perror("fcntl lock");
+               fprintf(stderr, "Failed to lock %s: %s\n",
+                       path, strerror(errno));
                return -1;
        }