lkml.org 
[lkml]   [2017]   [Aug]   [7]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
Patch in this message
/
From
Subject[PATCH] extcon: cros-ec: Fix a potential NULL pointer dereference
Date
Return -ENOMEM in case of memory allocation failure. This avoids a NULL
pointer dereference.

Fixes: c69831666109 ("extcon: cros-ec: Add extcon-cros-ec driver to support display out")
Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
---
drivers/extcon/extcon-usbc-cros-ec.c | 2 ++
1 file changed, 2 insertions(+)

diff --git a/drivers/extcon/extcon-usbc-cros-ec.c b/drivers/extcon/extcon-usbc-cros-ec.c
index e759ed477735..598956f1dcae 100644
--- a/drivers/extcon/extcon-usbc-cros-ec.c
+++ b/drivers/extcon/extcon-usbc-cros-ec.c
@@ -68,6 +68,8 @@ static int cros_ec_pd_command(struct cros_ec_extcon_info *info,
int ret;

msg = kzalloc(sizeof(*msg) + max(outsize, insize), GFP_KERNEL);
+ if (!msg)
+ return -ENOMEM;

msg->version = version;
msg->command = command;
--
2.11.0
\
 
 \ /
  Last update: 2017-08-07 08:31    [W:0.030 / U:1.184 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site