[SCSI] ufs: fix potential NULL pointer dereferencing error in ufshcd_prove.
Avoid dereferencing a NULL pointer if scsi_host_alloc is failed.
Signed-off-by: Namjae Jeon <linkinjeon@gmail.com>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
diff --git a/drivers/scsi/ufs/ufshcd.c b/drivers/scsi/ufs/ufshcd.c
index 4e010b7..6a4fd00 100644
--- a/drivers/scsi/ufs/ufshcd.c
+++ b/drivers/scsi/ufs/ufshcd.c
@@ -1836,7 +1836,7 @@
err = pci_request_regions(pdev, UFSHCD);
if (err < 0) {
dev_err(&pdev->dev, "request regions failed\n");
- goto out_disable;
+ goto out_host_put;
}
hba->mmio_base = pci_ioremap_bar(pdev, 0);
@@ -1925,8 +1925,9 @@
iounmap(hba->mmio_base);
out_release_regions:
pci_release_regions(pdev);
-out_disable:
+out_host_put:
scsi_host_put(host);
+out_disable:
pci_clear_master(pdev);
pci_disable_device(pdev);
out_error: