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| author | Inbar Karmy <[email protected]> | 2017-10-15 14:30:59 +0000 |
|---|---|---|
| committer | Saeed Mahameed <[email protected]> | 2017-11-10 06:39:21 +0000 |
| commit | 2e50b2619538ea0224c037f6fa746023089e0654 (patch) | |
| tree | 17bd1896764b82285889c2c0efca9df0dc24efad /drivers/pci/hotplug/ibmphp.h | |
| parent | net/mlx5e: Fix napi poll with zero budget (diff) | |
| download | kernel-2e50b2619538ea0224c037f6fa746023089e0654.tar.gz kernel-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 <[email protected]>
Reviewed-by: Tariq Toukan <[email protected]>
Cc: [email protected]
Signed-off-by: Saeed Mahameed <[email protected]>
Diffstat (limited to 'drivers/pci/hotplug/ibmphp.h')
0 files changed, 0 insertions, 0 deletions