From: Bartosz Golaszewski bgolaszewski@baylibre.com
Use the helper that checks for overflows internally instead of manually calculating the size of the new array.
Signed-off-by: Bartosz Golaszewski bgolaszewski@baylibre.com Acked-by: Michael S. Tsirkin mst@redhat.com --- 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) {