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authorChristophe JAILLET <christophe.jaillet@wanadoo.fr>2017-08-07 09:30:33 +0300
committerChanwoo Choi <cw00.choi@samsung.com>2017-08-07 09:34:20 +0300
commit1cf76c4eeb07ba31a03066c6540d96fd64d7a34f (patch)
tree4ac92b7a94731c59b9c4e664474d1d939b4fd1a6 /drivers/extcon
parent5c27036d2b05d6bc763809871b58a48e9fa554fa (diff)
downloadlinux-1cf76c4eeb07ba31a03066c6540d96fd64d7a34f.tar.xz
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 <christophe.jaillet@wanadoo.fr> Signed-off-by: Chanwoo Choi <cw00.choi@samsung.com>
Diffstat (limited to 'drivers/extcon')
-rw-r--r--drivers/extcon/extcon-usbc-cros-ec.c2
1 files changed, 2 insertions, 0 deletions
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;