linux/drivers/net/ethernet/mellanox
Amir Vadai 021f1107ff net/mlx4_en: Fix pages never dma unmapped on rx
This patch fixes a bug introduced by commit 51151a16 (mlx4: allow
order-0 memory allocations in RX path).

dma_unmap_page never reached because condition to detect last fragment
in page is wrong. offset+frag_stride can't be greater than size, need to
make sure no additional frag will fit in page => compare offset +
frag_stride + next_frag_size instead.
next_frag_size is the same as the current one, since page is shared only
with frags of the same size.

CC: Eric Dumazet <edumazet@google.com>
Signed-off-by: Amir Vadai <amirv@mellanox.com>
Acked-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2013-10-08 16:09:50 -04:00
..
mlx4 net/mlx4_en: Fix pages never dma unmapped on rx 2013-10-08 16:09:50 -04:00
mlx5/core mlx5: remove unused MLX5_DEBUG param in Kconfig 2013-09-06 14:43:49 -04:00
Kconfig mlx5: Add driver for Mellanox Connect-IB adapters 2013-07-08 10:32:24 -07:00
Makefile mlx5: Add driver for Mellanox Connect-IB adapters 2013-07-08 10:32:24 -07:00