rpmsg: glink: Add check for kstrdup

Add check for the return value of kstrdup() and return the error
if it fails in order to avoid NULL pointer dereference.

Fixes: b4f8e52b89 ("rpmsg: Introduce Qualcomm RPM glink driver")
Signed-off-by: Jiasheng Jiang <jiasheng@iscas.ac.cn>
Link: https://lore.kernel.org/r/20230619030631.12361-1-jiasheng@iscas.ac.cn
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
This commit is contained in:
Jiasheng Jiang 2023-06-19 11:06:31 +08:00 committed by Bjorn Andersson
parent 5550201c0f
commit b5c9ee8296

View File

@ -227,6 +227,10 @@ static struct glink_channel *qcom_glink_alloc_channel(struct qcom_glink *glink,
channel->glink = glink;
channel->name = kstrdup(name, GFP_KERNEL);
if (!channel->name) {
kfree(channel);
return ERR_PTR(-ENOMEM);
}
init_completion(&channel->open_req);
init_completion(&channel->open_ack);