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| author |   James Bottomley <JBottomley@Parallels.com> | 2013-07-24 12:43:18 -0700 |
|---|---|---|
| committer | James Bottomley <JBottomley@Parallels.com> | 2013-07-24 14:18:12 -0700 |
| commit | e1be09808e030d57bb743618eb41e2bc31dd464c (patch) | |
| tree | d17034c79f22fbd304ab95146e8f9de22ad30f96 /drivers | |
| parent | [SCSI] mvsas: Fix kernel panic on tile due to unaligned data access (diff) | |
| download | linux-dev-e1be09808e030d57bb743618eb41e2bc31dd464c.tar.xz linux-dev-e1be09808e030d57bb743618eb41e2bc31dd464c.zip | |
[SCSI] isci: fix breakage caused by >16byte CDB patch
Oops, apparently no-one I cc'd at intel actually bothered to check this
patch for the isci driver:
commit e73823f7a2c921dcf068d34ea03bd682498d9e42
Author: James Bottomley <JBottomley@Parallels.com>
Date: Tue May 7 15:38:18 2013 -0700
[SCSI] libsas: implement > 16 byte CDB support
sci_swab32_cpy needs multiples of four, so for commands that aren't that, it's
rounding the wrong way. fix by doing (len+3)/4 instead of len/4.
Reported-by: Tony Luck <tony.luck@intel.com>
Tested-by: Tony Luck <tony.luck@intel.com>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/scsi/isci/request.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/scsi/isci/request.c b/drivers/scsi/isci/request.c index 7b082157eb79..99d2930b18c8 100644 --- a/drivers/scsi/isci/request.c +++ b/drivers/scsi/isci/request.c @@ -185,7 +185,7 @@ static void sci_io_request_build_ssp_command_iu(struct isci_request *ireq) cmd_iu->_r_c = 0; sci_swab32_cpy(&cmd_iu->cdb, task->ssp_task.cmd->cmnd, - task->ssp_task.cmd->cmd_len / sizeof(u32)); + (task->ssp_task.cmd->cmd_len+3) / sizeof(u32)); } static void sci_task_request_build_ssp_task_iu(struct isci_request *ireq) |