[PATCH] [SCSI] scsi_dh_hp_sw: return -ENOMEM if kzalloc() failed

From: Alexey Khoroshilov
Date: Fri Feb 22 2013 - 15:00:21 EST


If kzalloc() failed, hp_sw_bus_attach() breaks off initialization, but returns zero.
The patch adds -ENOMEM as return value in this case.

Found by Linux Driver Verification project (linuxtesting.org).

Signed-off-by: Alexey Khoroshilov <khoroshilov@xxxxxxxxx>
---
drivers/scsi/device_handler/scsi_dh_hp_sw.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/scsi/device_handler/scsi_dh_hp_sw.c b/drivers/scsi/device_handler/scsi_dh_hp_sw.c
index 084062b..4619473 100644
--- a/drivers/scsi/device_handler/scsi_dh_hp_sw.c
+++ b/drivers/scsi/device_handler/scsi_dh_hp_sw.c
@@ -364,7 +364,7 @@ static int hp_sw_bus_attach(struct scsi_device *sdev)
if (!scsi_dh_data) {
sdev_printk(KERN_ERR, sdev, "%s: Attach Failed\n",
HP_SW_NAME);
- return 0;
+ return -ENOMEM;
}

scsi_dh_data->scsi_dh = &hp_sw_dh;
--
1.7.9.5

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