[PATCH V2 7/7] scsi: storvsc: Set the error code correctly in failure conditions

From: K. Y. Srinivasan
Date: Wed Jun 03 2015 - 17:15:21 EST


In the function storvsc_channel_init(), error code was not getting
set correctly in some of the failure cases. Fix this issue.

Signed-off-by: K. Y. Srinivasan <kys@xxxxxxxxxxxxx>
Reported-by: Dan Carpenter <dan.carpenter@xxxxxxxxxx>
---
drivers/scsi/storvsc_drv.c | 12 +++++++++---
1 files changed, 9 insertions(+), 3 deletions(-)

diff --git a/drivers/scsi/storvsc_drv.c b/drivers/scsi/storvsc_drv.c
index 021cbdf..aac8297 100644
--- a/drivers/scsi/storvsc_drv.c
+++ b/drivers/scsi/storvsc_drv.c
@@ -960,8 +960,10 @@ static int storvsc_channel_init(struct hv_device *device)
}

if (vstor_packet->operation != VSTOR_OPERATION_COMPLETE_IO ||
- vstor_packet->status != 0)
+ vstor_packet->status != 0) {
+ ret = -EINVAL;
goto cleanup;
+ }


for (i = 0; i < VMSTOR_NUM_PROTOCOLS; i++) {
@@ -1040,8 +1042,10 @@ static int storvsc_channel_init(struct hv_device *device)
}

if (vstor_packet->operation != VSTOR_OPERATION_COMPLETE_IO ||
- vstor_packet->status != 0)
+ vstor_packet->status != 0) {
+ ret = -EINVAL;
goto cleanup;
+ }

/*
* Check to see if multi-channel support is there.
@@ -1078,8 +1082,10 @@ static int storvsc_channel_init(struct hv_device *device)
}

if (vstor_packet->operation != VSTOR_OPERATION_COMPLETE_IO ||
- vstor_packet->status != 0)
+ vstor_packet->status != 0) {
+ ret = -EINVAL;
goto cleanup;
+ }

if (process_sub_channels)
handle_multichannel_storage(device, max_chns);
--
1.7.4.1

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