Messages in this thread Patch in this message | | | From | Bartosz Golaszewski <> | Subject | [PATCH v3 4/9] vhost: vringh: use krealloc_array() | Date | Mon, 9 Nov 2020 12:06:49 +0100 |
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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) { -- 2.29.1
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