Commit efa7f316 authored Jun 19, 2023 by Jiasheng Jiang Committed by Greg Kroah-Hartman Sep 23, 2023

rpmsg: glink: Add check for kstrdup



[ Upstream commit b5c9ee8296a3760760c7b5d2e305f91412adc795 ]

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

Fixes: b4f8e52b ("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>
Signed-off-by: Sasha Levin <sashal@kernel.org>

parent d2473df7

drivers/rpmsg/qcom_glink_native.c

+4 −0

Original line number	Diff line number	Diff line
		@@ -222,6 +222,10 @@ 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);