[libvirt] [PATCH v3 1/8] vsh: Fix NULL dereference leading to SIGSEGV if a command is missing '.info'

Friday, 16 September 2016

Signed-off-by: Erik Skultety <eskultet(a)redhat.com&gt;
---
 tools/vsh.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/tools/vsh.c b/tools/vsh.c
index 4ee472c..3772d92 100644
--- a/tools/vsh.c
+++ b/tools/vsh.c
@@ -695,7 +695,7 @@ vshCmddefHelp(vshControl *ctl, const char *cmdname)
         }
         fputc('\n', stdout);
 
-        if (desc[0]) {
+        if (desc && *desc) {
             /* Print the description only if it's not empty.  */
             fputs(_("\n  DESCRIPTION\n"), stdout);
             fprintf(stdout, "    %s\n", _(desc));
-- 
2.5.5


    