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Commit 4886b1af authored by Namjae Jeon's avatar Namjae Jeon Committed by James Bottomley
Browse files

[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: default avatarNamjae Jeon <linkinjeon@gmail.com>
Signed-off-by: default avatarJames Bottomley <JBottomley@Parallels.com>
parent 841f97bf

drivers/scsi/ufs/ufshcd.c

+3 −2
Original line number Diff line number Diff line
@@ -1836,7 +1836,7 @@ ufshcd_probe(struct pci_dev *pdev, const struct pci_device_id *id) 
	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 @@ ufshcd_probe(struct pci_dev *pdev, const struct pci_device_id *id) 
	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: