The patch titled
Subject: drivers/scsi/ufs: fix potential NULL pointer dereferencing error in ufshcd_probe()
has been added to the -mm tree. Its filename is
drivers-scsi-ufs-fix-potential-null-pointer-dereferencing-error-in-ufshcd_probe.patch
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------------------------------------------------------
From: Namjae Jeon <linkinjeon@xxxxxxxxx>
Subject: drivers/scsi/ufs: fix potential NULL pointer dereferencing error in ufshcd_probe()
Avoid dereferencing a NULL pointer if scsi_host_alloc() failed.
Signed-off-by: Namjae Jeon <linkinjeon@xxxxxxxxx>
Acked-by: Santosh Y <santoshsy@xxxxxxxxx>
Cc: James Bottomley <James.Bottomley@xxxxxxxxxxxxxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
drivers/scsi/ufs/ufshcd.c | 5 +++--
1 file changed, 3 insertions(+), 2 deletions(-)
diff -puN drivers/scsi/ufs/ufshcd.c~drivers-scsi-ufs-fix-potential-null-pointer-dereferencing-error-in-ufshcd_probe drivers/scsi/ufs/ufshcd.c
--- a/drivers/scsi/ufs/ufshcd.c~drivers-scsi-ufs-fix-potential-null-pointer-dereferencing-error-in-ufshcd_probe
+++ a/drivers/scsi/ufs/ufshcd.c
@@ -1838,7 +1838,7 @@ ufshcd_probe(struct pci_dev *pdev, const
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);
@@ -1927,8 +1927,9 @@ out_iounmap:
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:
_
Subject: Subject: drivers/scsi/ufs: fix potential NULL pointer dereferencing error in ufshcd_probe()
Patches currently in -mm which might be from linkinjeon@xxxxxxxxx are
origin.patch
linux-next.patch
drivers-scsi-ufs-reverse-the-ufshcd_is_device_present-logic.patch
ufs-fix-incorrect-return-value-about-success-and-failed.patch
drivers-scsi-ufs-fix-potential-null-pointer-dereferencing-error-in-ufshcd_probe.patch
fat-add-fat_msg_ratelimit.patch
fat-use-fat_msg_ratelimit-in-fat__get_entry.patch
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