Donate to e Foundation | Murena handsets with /e/OS | Own a part of Murena! Learn more

Commit ff352391 authored by Ivo van Doorn's avatar Ivo van Doorn Committed by John W. Linville
Browse files

rt2x00: Decrease alignment headroom 



We only need 4 bytes of headroom for alignment
purposes in the RX frame. It was previously higher
for optimization purposes which are no longer
possible due to DMA mappings.

v2: Fix patch error

Signed-off-by: default avatarIvo van Doorn <IvDoorn@gmail.com>
Signed-off-by: default avatarJohn W. Linville <linville@tuxdriver.com>
parent 50db7875

drivers/net/wireless/rt2x00/rt2x00queue.c

+4 −3
Original line number Diff line number Diff line
@@ -45,10 +45,11 @@ struct sk_buff *rt2x00queue_alloc_rxskb(struct rt2x00_dev *rt2x00dev, 
	frame_size = entry->queue->data_size + entry->queue->desc_size;



	/*

	 * Reserve a few bytes extra headroom to allow drivers some moving

	 * space (e.g. for alignment), while keeping the skb aligned.

	 * The payload should be aligned to a 4-byte boundary,

	 * this means we need at least 3 bytes for moving the frame

	 * into the correct offset.

	 */

	reserved_size = 8;

	reserved_size = 4;



	/*

	 * Allocate skbuffer.