[PATCH] scsi: esas2r: prevent a potential NULL dereference in esas2r_probe()

[Jing Xiangfeng]

esas2r_probe() calls scsi_host_put() in an error path. However,
esas2r_log_dev() may hit a potential NULL dereference. So use NUll instead.

Signed-off-by: Jing Xiangfeng <jingxiangf...@huawei.com>
---
 drivers/scsi/esas2r/esas2r_main.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/scsi/esas2r/esas2r_main.c 
b/drivers/scsi/esas2r/esas2r_main.c
index 7b49e2e9fcde..7d3fa9dac4ce 100644
--- a/drivers/scsi/esas2r/esas2r_main.c
+++ b/drivers/scsi/esas2r/esas2r_main.c
@@ -456,7 +456,7 @@ static int esas2r_probe(struct pci_dev *pcid,
 
                scsi_host_put(host);
 
-               esas2r_log_dev(ESAS2R_LOG_INFO, &(host->shost_gendev),
+               esas2r_log_dev(ESAS2R_LOG_INFO, NULL,
                               "pci_set_drvdata(%p, NULL) called",
                               pcid);
 
-- 
2.17.1