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extcon: cros-ec: Fix a potential NULL pointer dereference

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Return -ENOMEM in case of memory allocation failure. This avoids a NULL
pointer dereference.

Fixes: c698316661 ("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>
This commit is contained in:
Christophe JAILLET 2017-08-07 08:30:33 +02:00 committed by Chanwoo Choi
parent 5c27036d2b
commit 1cf76c4eeb
1 changed files with 2 additions and 0 deletions
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drivers/extcon/extcon-usbc-cros-ec.c
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@ -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;