From: Jia-Ju Bai baijiaju1990@gmail.com
[ 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 --- drivers/interconnect/core.c | 2 ++ 1 file changed, 2 insertions(+)
diff --git a/drivers/interconnect/core.c b/drivers/interconnect/core.c index c498796adc07..e579b3633a84 100644 --- a/drivers/interconnect/core.c +++ b/drivers/interconnect/core.c @@ -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);