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usb: gadget: udc: renesas_usb3: fix oops in renesas_usb3_remove()

Message ID 1515754856-4029-1-git-send-email-yoshihiro.shimoda.uh@renesas.com (mailing list archive)
State Superseded
Delegated to: Geert Uytterhoeven
Headers show

Commit Message

Yoshihiro Shimoda Jan. 12, 2018, 11 a.m. UTC 
This patch fixes an issue that the renesas_usb3_remove() causes
NULL pointer dereference because the usb3_to_dev() macro will use
the gadget instance and it will be deleted before.

Fixes: cf06df3fae28 ("usb: gadget: udc: renesas_usb3: move pm_runtime_{en,dis}able()")
Signed-off-by: Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com>
---
 drivers/usb/gadget/udc/renesas_usb3.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
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Patch

diff --git a/drivers/usb/gadget/udc/renesas_usb3.c b/drivers/usb/gadget/udc/renesas_usb3.c
index 6e87af2..409cde4 100644
--- a/drivers/usb/gadget/udc/renesas_usb3.c
+++ b/drivers/usb/gadget/udc/renesas_usb3.c
@@ -2410,7 +2410,7 @@  static int renesas_usb3_remove(struct platform_device *pdev)
 	__renesas_usb3_ep_free_request(usb3->ep0_req);
 	if (usb3->phy)
 		phy_put(usb3->phy);
-	pm_runtime_disable(usb3_to_dev(usb3));
+	pm_runtime_disable(&pdev->dev);
 
 	return 0;
 }