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| author | Olof Johansson <olof@lixom.net> | 2013-08-29 19:12:04 -0700 |
|---|---|---|
| committer | Olof Johansson <olof@lixom.net> | 2013-08-29 19:12:04 -0700 |
| commit | 2bbc31ef2b398d17016c6438016cc76913990950 (patch) | |
| tree | 10de572013948341054d73acfab0f6d77ae35cbd /drivers/scsi/mvsas | |
| parent | a3e008d1b5e39abe81e233bde623604841ff9a73 (diff) | |
| parent | af0721966195b3966214edd54af0d5f84d65419a (diff) | |
Merge tag 'omap-for-v3.12/fixes-non-critical-signed' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap into next/fixes-non-critical
From Tony Lindgren:
Omap fixes for the merge window that are not urgent enough
for the -rc series.
* tag 'omap-for-v3.12/fixes-non-critical-signed' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap:
ARM: OMAP2: use 'int' instead of 'unsigned' for variable 'gpmc_irq_start'
ARM: OMAP2: remove useless variable 'ret'
ARM: OMAP: dma: fix error return code in omap_system_dma_probe()
ARM: OMAP2+: fix wrong address when loading PRM_FRAC_INCREMENTOR_DENUMERATOR_RELOAD
ARM: OMAP2+: am33xx-restart: trigger warm reset on omap2+ boards
ARM: OMAP2: Use a consistent AM33XX SoC option description
ARM: OMAP2+: Remove legacy device creation for McPDM and DMIC
+ Linux 3.11-rc6
Diffstat (limited to 'drivers/scsi/mvsas')
| -rw-r--r-- | drivers/scsi/mvsas/mv_sas.c | 11 | ||||
| -rw-r--r-- | drivers/scsi/mvsas/mv_sas.h | 1 |
2 files changed, 9 insertions, 3 deletions
diff --git a/drivers/scsi/mvsas/mv_sas.c b/drivers/scsi/mvsas/mv_sas.c index f14665a6293..6b1b4e91e53 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; diff --git a/drivers/scsi/mvsas/mv_sas.h b/drivers/scsi/mvsas/mv_sas.h index 60e2fb7f2dc..d6b19dc80be 100644 --- a/drivers/scsi/mvsas/mv_sas.h +++ b/drivers/scsi/mvsas/mv_sas.h @@ -39,6 +39,7 @@ #include <linux/irq.h> #include <linux/slab.h> #include <linux/vmalloc.h> +#include <asm/unaligned.h> #include <scsi/libsas.h> #include <scsi/scsi.h> #include <scsi/scsi_tcq.h> |