of_match_device could return NULL, and so cause a NULL
pointer dereference later.
Signed-off-by: Shailendra Verma <shailendra.v@xxxxxxxxxxx>
---
drivers/dma/mv_xor.c | 5 ++++-
1 file changed, 4 insertions(+), 1 deletion(-)
diff --git a/drivers/dma/mv_xor.c b/drivers/dma/mv_xor.c
index 23f7528..c25b3bb 100644
--- a/drivers/dma/mv_xor.c
+++ b/drivers/dma/mv_xor.c
@@ -1323,7 +1323,10 @@ static int mv_xor_probe(struct platform_device *pdev)
const struct of_device_id *of_id =
of_match_device(mv_xor_dt_ids,
&pdev->dev);
+ if (!of_id) {
+ dev_err(&pdev->dev, "Error: No device match found\n");
+ return -ENODEV;
+ }
xordev->xor_type = (uintptr_t)of_id->data;
}
--
1.7.9.5
--
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