From: Bartosz Golaszewski <bgolaszewski@xxxxxxxxxxxx>
Use the helper that checks for overflows internally instead of manually
calculating the size of the new array.
Signed-off-by: Bartosz Golaszewski <bgolaszewski@xxxxxxxxxxxx>
Acked-by: Michael S. Tsirkin <mst@xxxxxxxxxx>
---
drivers/vhost/vringh.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/drivers/vhost/vringh.c b/drivers/vhost/vringh.c
index 8bd8b403f087..08a0e1c842df 100644
--- a/drivers/vhost/vringh.c
+++ b/drivers/vhost/vringh.c
@@ -198,7 +198,8 @@ static int resize_iovec(struct vringh_kiov *iov, gfp_t gfp)
flag = (iov->max_num & VRINGH_IOV_ALLOCATED);
if (flag)
- new = krealloc(iov->iov, new_num * sizeof(struct iovec), gfp);
+ new = krealloc_array(iov->iov, new_num,
+ sizeof(struct iovec), gfp);
else {
new = kmalloc_array(new_num, sizeof(struct iovec), gfp);
if (new) {
--
2.29.1
