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Commit 5455109d authored by Vijayavardhan Vennapusa's avatar Vijayavardhan Vennapusa
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USB: phy-msm-qusb: Set ref_clk_src to NULL if clk_get fails 



Set ref_clk_src to NULL if clk_get() API fails to get handle
in probe(), else it results in invalid pointer derefernce.

Change-Id: I1ba5f64bc2a691923cbac1c7b4e9288b6071ff57
Signed-off-by: default avatarVijayavardhan Vennapusa <vvreddy@codeaurora.org>
parent aa6d7ed7

drivers/usb/phy/phy-msm-qusb.c

+3 −1
Original line number Diff line number Diff line
@@ -999,8 +999,10 @@ static int qusb_phy_probe(struct platform_device *pdev) 
	}



	qphy->ref_clk_src = devm_clk_get(dev, "ref_clk_src");

	if (IS_ERR(qphy->ref_clk_src))

	if (IS_ERR(qphy->ref_clk_src)) {

		qphy->ref_clk_src = NULL;

		dev_dbg(dev, "clk get failed for ref_clk_src\n");

	}



	/* ref_clk is needed only for DIFF_CLK case, hence make it optional. */

	if (of_property_match_string(pdev->dev.of_node,