diff options
| author | Inbar Karmy <inbark@mellanox.com> | 2017-10-15 17:30:59 +0300 |
|---|---|---|
| committer | Saeed Mahameed <saeedm@mellanox.com> | 2017-11-10 15:39:21 +0900 |
| commit | 2e50b2619538ea0224c037f6fa746023089e0654 (patch) | |
| tree | 17bd1896764b82285889c2c0efca9df0dc24efad /arch/xtensa | |
| parent | 2a8d6065e7b90ad9d5540650944d802b0f86bdfe (diff) | |
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 'arch/xtensa')
0 files changed, 0 insertions, 0 deletions