interconnect: core: fix error return code of icc_link_destroy()

[ Upstream commit 715ea61532e731c62392221238906704e63d75b6 ]

When krealloc() fails and new is NULL, no error return code of
icc_link_destroy() is assigned.
To fix this bug, ret is assigned with -ENOMEM hen new is NULL.

Reported-by: TOTE Robot <oslab@tsinghua.edu.cn>
Signed-off-by: Jia-Ju Bai <baijiaju1990@gmail.com>
Link: https://lore.kernel.org/r/20210306132857.17020-1-baijiaju1990@gmail.com
Signed-off-by: Georgi Djakov <georgi.djakov@linaro.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Jia-Ju Bai 2021-03-08 15:09:15 +02:00 committed by Greg Kroah-Hartman
parent 1e798745fa
commit 9b57ecb01b

View File

@ -942,6 +942,8 @@ int icc_link_destroy(struct icc_node *src, struct icc_node *dst)
GFP_KERNEL);
if (new)
src->links = new;
else
ret = -ENOMEM;
out:
mutex_unlock(&icc_lock);