coverity: #1438067

Explicit null dereferenced

Signed-off-by: 2xsec <dh48.jeong@samsung.com>

diff --git a/src/lxc/attach.c b/src/lxc/attach.c
index b873c6fc3b78e6d9dec50a9a81e20f0ba356f537..c4330895b8f03fa310c3b90db83b9a621c91dd08 100644 (file)
--- a/src/lxc/attach.c
+++ b/src/lxc/attach.c
@@ -516,6 +516,9 @@ static char *lxc_attach_getpwshell(uid_t uid)
                if (found)
                        continue;
 
+               if (!line)
+                       continue;
+
                /* Trim line on the right hand side. */
                for (i = strlen(line); i > 0 && (line[i - 1] == '\n' || line[i - 1] == '\r'); --i)
                        line[i - 1] = '\0';