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Subject[PATCH] scsi: ufs: Fix to avoid a potential NULL pointer dereference
Date
In tc_dwc_g210_pltfm_probe, of_match_node can return a NULL pointer
in case of failure. The patch avoids a potential NULL pointer dereference
in such scenarios.

Signed-off-by: Aditya Pakki <pakki001@umn.edu>
---
drivers/scsi/ufs/tc-dwc-g210-pltfrm.c | 2 ++
1 file changed, 2 insertions(+)

diff --git a/drivers/scsi/ufs/tc-dwc-g210-pltfrm.c b/drivers/scsi/ufs/tc-dwc-g210-pltfrm.c
index 6dfe5a9206e9..2b5bc6bd715e 100644
--- a/drivers/scsi/ufs/tc-dwc-g210-pltfrm.c
+++ b/drivers/scsi/ufs/tc-dwc-g210-pltfrm.c
@@ -61,6 +61,8 @@ static int tc_dwc_g210_pltfm_probe(struct platform_device *pdev)
struct device *dev = &pdev->dev;

of_id = of_match_node(tc_dwc_g210_pltfm_match, dev->of_node);
+ if (!of_id)
+ return -ENXIO;
vops = (struct ufs_hba_variant_ops *)of_id->data;

/* Perform generic probe */
--
2.17.1
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