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

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[ 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
commit cc678e2f37
1 changed files with 2 additions and 0 deletions
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2
drivers/interconnect/core.c
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@ -704,6 +704,8 @@ 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);