[4.14,34/75] usb: phy: tahvo: fix error handling in tahvo_usb_probe()
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Message ID 20171207130820.147018878@linuxfoundation.org
State New, archived
Headers show
Series
  • 4.14.5-stable review
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Commit Message

Greg KH Dec. 7, 2017, 1:07 p.m. UTC
4.14-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Alexey Khoroshilov <khoroshilov@ispras.ru>


[ Upstream commit ce035409bfa892a2fabb89720b542e1b335c3426 ]

If devm_extcon_dev_allocate() fails, we should disable clk before return.

Found by Linux Driver Verification project (linuxtesting.org).

Signed-off-by: Alexey Khoroshilov <khoroshilov@ispras.ru>
Fixes: 860d2686fda7 ("usb: phy: tahvo: Use devm_extcon_dev_[allocate|register]() and replace deprecated API")
Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>
Signed-off-by: Sasha Levin <alexander.levin@verizon.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
 drivers/usb/phy/phy-tahvo.c |    3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

Patch
diff mbox series

--- a/drivers/usb/phy/phy-tahvo.c
+++ b/drivers/usb/phy/phy-tahvo.c
@@ -368,7 +368,8 @@  static int tahvo_usb_probe(struct platfo
 	tu->extcon = devm_extcon_dev_allocate(&pdev->dev, tahvo_cable);
 	if (IS_ERR(tu->extcon)) {
 		dev_err(&pdev->dev, "failed to allocate memory for extcon\n");
-		return -ENOMEM;
+		ret = PTR_ERR(tu->extcon);
+		goto err_disable_clk;
 	}
 
 	ret = devm_extcon_dev_register(&pdev->dev, tu->extcon);