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| author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-05-08 04:15:15 +0000 |
|---|---|---|
| committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-05-08 04:15:15 +0000 |
| commit | 68c1b0995e963349e50f8a8b00ebc140908f7882 (patch) | |
| tree | ae3788542761985ee15e3d1ca439706040d1eb0c /drivers/net/virtio_net.c | |
| parent | Releasing progress-linux version 4.19.269-1progress5u1. (diff) | |
| download | linux-68c1b0995e963349e50f8a8b00ebc140908f7882.tar.xz linux-68c1b0995e963349e50f8a8b00ebc140908f7882.zip | |
Merging upstream version 4.19.282.
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to '')
| -rw-r--r-- | drivers/net/virtio_net.c | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/drivers/net/virtio_net.c b/drivers/net/virtio_net.c index 406ef4cc6..0cd46735e 100644 --- a/drivers/net/virtio_net.c +++ b/drivers/net/virtio_net.c @@ -600,8 +600,13 @@ static struct page *xdp_linearize_page(struct receive_queue *rq, int page_off, unsigned int *len) { - struct page *page = alloc_page(GFP_ATOMIC); + int tailroom = SKB_DATA_ALIGN(sizeof(struct skb_shared_info)); + struct page *page; + if (page_off + *len + tailroom > PAGE_SIZE) + return NULL; + + page = alloc_page(GFP_ATOMIC); if (!page) return NULL; @@ -609,7 +614,6 @@ static struct page *xdp_linearize_page(struct receive_queue *rq, page_off += *len; while (--*num_buf) { - int tailroom = SKB_DATA_ALIGN(sizeof(struct skb_shared_info)); unsigned int buflen; void *buf; int off; |