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authorDan Williams <dan.j.williams@intel.com>2012-06-21 23:30:58 -0700
committerJames Bottomley <JBottomley@Parallels.com>2012-07-20 08:58:51 +0100
commite7db8229964365451b8ec48e32b5558100b0a318 (patch)
treebfa7b0a0fd928078d0d644941203cd6fcb052d4e /drivers/scsi/pm8001/pm8001_sas.c
parent9524c6821849bddad4bf592a47276cfb8a8a98c0 (diff)
download96b-common-e7db8229964365451b8ec48e32b5558100b0a318.tar.gz
[SCSI] libsas: use ->lldd_I_T_nexus_reset for ->eh_bus_reset_handler
sas_eh_bus_reset_handler() amounts to sas_phy_reset() without notification of the reset to the lldd. If this is triggered from eh-cmnd recovery there may be sas_tasks for the lldd to terminate, so ->lldd_I_T_nexus_reset is warranted. Cc: Xiangliang Yu <yuxiangl@marvell.com> Cc: Luben Tuikov <ltuikov@yahoo.com> Cc: Jack Wang <jack_wang@usish.com> Reviewed-by: Jacek Danecki <jacek.danecki@intel.com> [jacek: modify pm8001_I_T_nexus_reset to return -ENODEV] Signed-off-by: Dan Williams <dan.j.williams@intel.com> Signed-off-by: James Bottomley <JBottomley@Parallels.com>
Diffstat (limited to 'drivers/scsi/pm8001/pm8001_sas.c')
-rw-r--r--drivers/scsi/pm8001/pm8001_sas.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/drivers/scsi/pm8001/pm8001_sas.c b/drivers/scsi/pm8001/pm8001_sas.c
index 3b11edd4a50c..fdbba57a74ae 100644
--- a/drivers/scsi/pm8001/pm8001_sas.c
+++ b/drivers/scsi/pm8001/pm8001_sas.c
@@ -962,8 +962,9 @@ int pm8001_I_T_nexus_reset(struct domain_device *dev)
struct pm8001_device *pm8001_dev;
struct pm8001_hba_info *pm8001_ha;
struct sas_phy *phy;
+
if (!dev || !dev->lldd_dev)
- return -1;
+ return -ENODEV;
pm8001_dev = dev->lldd_dev;
pm8001_ha = pm8001_find_ha_by_dev(dev);