diff mbox series

[5.4,113/144] usb: bdc: Fix an error handling path in bdc_probe() when no suitable DMA config is available

Message ID 20210913131051.716101545@linuxfoundation.org
State New
Headers show
Series None | expand

Commit Message

Greg KH Sept. 13, 2021, 1:14 p.m. UTC 
From: Christophe JAILLET <christophe.jaillet@wanadoo.fr>

[ Upstream commit d2f42e09393c774ab79088d8e3afcc62b3328fc9 ]

If no suitable DMA configuration is available, a previous 'bdc_phy_init()'
call must be undone by a corresponding 'bdc_phy_exit()' call.

Branch to the existing error handling path instead of returning
directly.

Fixes: cc29d4f67757 ("usb: bdc: Add support for USB phy")
Acked-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
Link: https://lore.kernel.org/r/0c5910979f39225d5d8fe68c9ab1c147c68ddee1.1629314734.git.christophe.jaillet@wanadoo.fr
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 drivers/usb/gadget/udc/bdc/bdc_core.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)
diff mbox series

Patch

diff --git a/drivers/usb/gadget/udc/bdc/bdc_core.c b/drivers/usb/gadget/udc/bdc/bdc_core.c
index 3d33499db50b..845aead48d85 100644
--- a/drivers/usb/gadget/udc/bdc/bdc_core.c
+++ b/drivers/usb/gadget/udc/bdc/bdc_core.c
@@ -565,7 +565,8 @@  static int bdc_probe(struct platform_device *pdev)
 		if (ret) {
 			dev_err(dev,
 				"No suitable DMA config available, abort\n");
-			return -ENOTSUPP;
+			ret = -ENOTSUPP;
+			goto phycleanup;
 		}
 		dev_dbg(dev, "Using 32-bit address\n");
 	}