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authorGustavo A. R. Silva <gustavoars@kernel.org>2022-01-25 13:26:34 -0600
committerChanwoo Choi <cw00.choi@samsung.com>2022-05-13 17:03:40 +0900
commit8ae4471d38c4952d8eb67ce60e3988c4ccb25dc6 (patch)
tree97e203094432ffb0279f427b9c61fc7311582c69 /drivers/extcon
parent4c018cc87e5592f5bb8160e6fd42059778e1b0dc (diff)
extcon: usbc-cros-ec: Use struct_size() helper in kzalloc()
Make use of the struct_size() helper instead of an open-coded version, in order to avoid any potential type mistakes or integer overflows that, in the worst scenario, could lead to heap overflows. Signed-off-by: Gustavo A. R. Silva <gustavoars@kernel.org> 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, 1 insertions, 1 deletions
diff --git a/drivers/extcon/extcon-usbc-cros-ec.c b/drivers/extcon/extcon-usbc-cros-ec.c
index 5290cc2d19d9..fde1db62be0d 100644
--- a/drivers/extcon/extcon-usbc-cros-ec.c
+++ b/drivers/extcon/extcon-usbc-cros-ec.c
@@ -68,7 +68,7 @@ static int cros_ec_pd_command(struct cros_ec_extcon_info *info,
struct cros_ec_command *msg;
int ret;
- msg = kzalloc(sizeof(*msg) + max(outsize, insize), GFP_KERNEL);
+ msg = kzalloc(struct_size(msg, data, max(outsize, insize)), GFP_KERNEL);
if (!msg)
return -ENOMEM;