44 lines
1.2 KiB
Diff
44 lines
1.2 KiB
Diff
|
From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
|
||
|
From: Benjamin Marzinski <bmarzins@redhat.com>
|
||
|
Date: Thu, 16 May 2019 15:44:20 -0500
|
||
|
Subject: [PATCH] multipathd: handle NULL return from genhelp_handler
|
||
|
|
||
|
If parse_cmd() wasn't checking if genhelp_handler() returned NULL. It
|
||
|
was simply assuming that it got a string. Instead, it should just return
|
||
|
and error. Found by Coverity.
|
||
|
|
||
|
Signed-off-by: Benjamin Marzinski <bmarzins@redhat.com>
|
||
|
---
|
||
|
multipathd/cli.c | 6 +++++-
|
||
|
1 file changed, 5 insertions(+), 1 deletion(-)
|
||
|
|
||
|
diff --git a/multipathd/cli.c b/multipathd/cli.c
|
||
|
index ca176a9..17795b6 100644
|
||
|
--- a/multipathd/cli.c
|
||
|
+++ b/multipathd/cli.c
|
||
|
@@ -467,6 +467,8 @@ parse_cmd (char * cmd, char ** reply, int * len, void * data, int timeout )
|
||
|
|
||
|
if (r) {
|
||
|
*reply = genhelp_handler(cmd, r);
|
||
|
+ if (*reply == NULL)
|
||
|
+ return EINVAL;
|
||
|
*len = strlen(*reply) + 1;
|
||
|
return 0;
|
||
|
}
|
||
|
@@ -474,9 +476,11 @@ parse_cmd (char * cmd, char ** reply, int * len, void * data, int timeout )
|
||
|
h = find_handler(fingerprint(cmdvec));
|
||
|
|
||
|
if (!h || !h->fn) {
|
||
|
+ free_keys(cmdvec);
|
||
|
*reply = genhelp_handler(cmd, EINVAL);
|
||
|
+ if (*reply == NULL)
|
||
|
+ return EINVAL;
|
||
|
*len = strlen(*reply) + 1;
|
||
|
- free_keys(cmdvec);
|
||
|
return 0;
|
||
|
}
|
||
|
|
||
|
--
|
||
|
2.17.2
|
||
|
|