diff options
| author | Inbar Karmy | 2017-10-15 16:30:59 +0200 |
|---|---|---|
| committer | Saeed Mahameed | 2017-11-10 07:39:21 +0100 |
| commit | 2e50b2619538ea0224c037f6fa746023089e0654 (patch) | |
| tree | 17bd1896764b82285889c2c0efca9df0dc24efad /samples/bpf | |
| parent | net/mlx5e: Fix napi poll with zero budget (diff) | |
| download | kernel-qcow2-linux-2e50b2619538ea0224c037f6fa746023089e0654.tar.gz kernel-qcow2-linux-2e50b2619538ea0224c037f6fa746023089e0654.tar.xz kernel-qcow2-linux-2e50b2619538ea0224c037f6fa746023089e0654.zip | |
net/mlx5e: Set page to null in case dma mapping fails
Currently, when dma mapping fails, put_page is called,
but the page is not set to null. Later, in the page_reuse treatment in
mlx5e_free_rx_descs(), mlx5e_page_release() is called for the second time,
improperly doing dma_unmap (for a non-mapped address) and an extra put_page.
Prevent this by nullifying the page pointer when dma_map fails.
Fixes: accd58833237 ("net/mlx5e: Introduce RX Page-Reuse")
Signed-off-by: Inbar Karmy <inbark@mellanox.com>
Reviewed-by: Tariq Toukan <tariqt@mellanox.com>
Cc: kernel-team@fb.com
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
Diffstat (limited to 'samples/bpf')
0 files changed, 0 insertions, 0 deletions