From 1cf76c4eeb07ba31a03066c6540d96fd64d7a34f Mon Sep 17 00:00:00 2001 From: Christophe JAILLET Date: Mon, 7 Aug 2017 08:30:33 +0200 Subject: [PATCH] extcon: cros-ec: Fix a potential NULL pointer dereference 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 Signed-off-by: Chanwoo Choi --- 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;