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

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 <[email protected]> Signed-off-by: Jia-Ju Bai <[email protected]> Link: https://lore.kernel.org/r/[email protected] Signed-off-by: Georgi Djakov <[email protected]>
zandrey · Mar 8, 2021 · 715ea61 · 715ea61
1 parent 7c911f9
commit 715ea61
Showing 1 changed file with 2 additions and 0 deletions.
diff --git 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);