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authorLong Li <longli@microsoft.com>2016-12-15 03:46:02 +0100
committerMartin K. Petersen <martin.petersen@oracle.com>2017-01-05 06:21:11 +0100
commitbba5dc332ec2d3a685cb4dae668c793f6a3713a3 (patch)
tree57837f898970d9d48fcaf627593b3d6177e45f24 /drivers/scsi/storvsc_drv.c
parentscsi: storvsc: use tagged SRB requests if supported by the device (diff)
downloadlinux-bba5dc332ec2d3a685cb4dae668c793f6a3713a3.tar.xz
linux-bba5dc332ec2d3a685cb4dae668c793f6a3713a3.zip
scsi: storvsc: properly handle SRB_ERROR when sense message is present
When sense message is present on error, we should pass along to the upper layer to decide how to deal with the error. This patch fixes connectivity issues with Fiber Channel devices. Signed-off-by: Long Li <longli@microsoft.com> Reviewed-by: K. Y. Srinivasan <kys@microsoft.com> Signed-off-by: K. Y. Srinivasan <kys@microsoft.com> Cc: <stable@vger.kernel.org> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Diffstat (limited to 'drivers/scsi/storvsc_drv.c')
-rw-r--r--drivers/scsi/storvsc_drv.c7
1 files changed, 7 insertions, 0 deletions
diff --git a/drivers/scsi/storvsc_drv.c b/drivers/scsi/storvsc_drv.c
index 320938720544..3c92dc2a25a0 100644
--- a/drivers/scsi/storvsc_drv.c
+++ b/drivers/scsi/storvsc_drv.c
@@ -925,6 +925,13 @@ static void storvsc_handle_error(struct vmscsi_request *vm_srb,
switch (SRB_STATUS(vm_srb->srb_status)) {
case SRB_STATUS_ERROR:
/*
+ * Let upper layer deal with error when
+ * sense message is present.
+ */
+
+ if (vm_srb->srb_status & SRB_STATUS_AUTOSENSE_VALID)
+ break;
+ /*
* If there is an error; offline the device since all
* error recovery strategies would have already been
* deployed on the host side. However, if the command