[PATCH 1/1] scsi:mvsas:fix memory leak

[Xidong Wang <wangxidong_97@163.com>]

In function mvs_pci_init(), the memory allocated by
scsi_host_alloc() is not released on the error path that mvi,
which holds the return value of mvs_pci_alloc(), is NULL.
This will result in a memory leak bug.

Signed-off-by: Xidong Wang <wangxidong_97@163.com>
---
 drivers/scsi/mvsas/mv_init.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/drivers/scsi/mvsas/mv_init.c b/drivers/scsi/mvsas/mv_init.c
index 8c91637..936b8ef 100644
--- a/drivers/scsi/mvsas/mv_init.c
+++ b/drivers/scsi/mvsas/mv_init.c
@@ -370,8 +370,10 @@ static struct mvs_info *mvs_pci_alloc(struct pci_dev *pdev,
 	mvi = kzalloc(sizeof(*mvi) +
 		(1L << mvs_chips[ent->driver_data].slot_width) *
 		sizeof(struct mvs_slot_info), GFP_KERNEL);
-	if (!mvi)
+	if (!mvi) {
+		scsi_host_put(shost);
 		return NULL;
+	}
 
 	mvi->pdev = pdev;
 	mvi->dev = &pdev->dev;
-- 
2.7.4