diff options
| author | Christoph Hellwig <hch@lst.de> | 2015-10-03 19:16:07 +0200 |
|---|---|---|
| committer | Moyster <oysterized@gmail.com> | 2016-08-26 20:45:04 +0200 |
| commit | 5e4fba9a4d96ef4e58842ab9fb3bb0863a5dabfc (patch) | |
| tree | 53c27a1cb2e24361c44cef9e881d110e4ce1ec3d /include/linux | |
| parent | f30a190d05d14bf2d5e90dd195faec108db74562 (diff) | |
3w-9xxx: don't unmap bounce buffered commands
commit 15e3d5a285ab9283136dba34bbf72886d9146706 upstream.
3w controller don't dma map small single SGL entry commands but instead
bounce buffer them. Add a helper to identify these commands and don't
call scsi_dma_unmap for them.
Based on an earlier patch from James Bottomley.
Fixes: 118c85 ("3w-9xxx: fix command completion race")
Reported-by: Tóth Attila <atoth@atoth.sote.hu>
Tested-by: Tóth Attila <atoth@atoth.sote.hu>
Signed-off-by: Christoph Hellwig <hch@lst.de>
Acked-by: Adam Radford <aradford@gmail.com>
Signed-off-by: James Bottomley <JBottomley@Odin.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Stefan Guendhoer <stefan@guendhoer.com>
Diffstat (limited to 'include/linux')
0 files changed, 0 insertions, 0 deletions