diff options
| author | Mark Brown <broonie@linaro.org> | 2013-08-29 13:59:05 +0100 |
|---|---|---|
| committer | Mark Brown <broonie@linaro.org> | 2013-08-29 13:59:05 +0100 |
| commit | b5f9a9d5113efe11a3b9dad600a6f833274da595 (patch) | |
| tree | 6db5fb34a2d590086e25f7f682fecb5f43e6b283 /drivers/scsi/mvsas/mv_sas.c | |
| parent | a1216394e620d0dfbb03c712ae3210e7b77c9e11 (diff) | |
| parent | 8d4d08ce8319ae26227c4dd558405963c14c2037 (diff) | |
| download | talos-op-linux-b5f9a9d5113efe11a3b9dad600a6f833274da595.tar.gz talos-op-linux-b5f9a9d5113efe11a3b9dad600a6f833274da595.zip | |
Merge remote-tracking branch 'spi/topic/rspi' into spi-pdata
Conflicts:
drivers/spi/spi-rspi.c
Diffstat (limited to 'drivers/scsi/mvsas/mv_sas.c')
| -rw-r--r-- | drivers/scsi/mvsas/mv_sas.c | 11 |
1 files changed, 8 insertions, 3 deletions
diff --git a/drivers/scsi/mvsas/mv_sas.c b/drivers/scsi/mvsas/mv_sas.c index f14665a6293d..6b1b4e91e53f 100644 --- a/drivers/scsi/mvsas/mv_sas.c +++ b/drivers/scsi/mvsas/mv_sas.c @@ -1857,11 +1857,16 @@ int mvs_slot_complete(struct mvs_info *mvi, u32 rx_desc, u32 flags) goto out; } - /* error info record present */ - if (unlikely((rx_desc & RXQ_ERR) && (*(u64 *) slot->response))) { + /* + * error info record present; slot->response is 32 bit aligned but may + * not be 64 bit aligned, so check for zero in two 32 bit reads + */ + if (unlikely((rx_desc & RXQ_ERR) + && (*((u32 *)slot->response) + || *(((u32 *)slot->response) + 1)))) { mv_dprintk("port %d slot %d rx_desc %X has error info" "%016llX.\n", slot->port->sas_port.id, slot_idx, - rx_desc, (u64)(*(u64 *)slot->response)); + rx_desc, get_unaligned_le64(slot->response)); tstat->stat = mvs_slot_err(mvi, task, slot_idx); tstat->resp = SAS_TASK_COMPLETE; goto out; |
