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 <os...@tsinghua.edu.cn> Signed-off-by: Jia-Ju Bai <baijiaju1...@gmail.com> --- drivers/interconnect/core.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/drivers/interconnect/core.c b/drivers/interconnect/core.c index 5ad519c9f239..8a1e70e00876 100644 --- a/drivers/interconnect/core.c +++ b/drivers/interconnect/core.c @@ -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); -- 2.17.1