This is a note to let you know that I've just added the patch titled
usb: gadget: fsl: fix null pointer checking
to the 5.9-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary
The filename of the patch is:
usb-gadget-fsl-fix-null-pointer-checking.patch
and it can be found in the queue-5.9 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
commit 90648ddb3f7f59eb7dcbc1330221759cc8782258
Author: Ran Wang <ran.wang_1@xxxxxxx>
Date: Fri Oct 16 12:33:26 2020 +0800
usb: gadget: fsl: fix null pointer checking
[ Upstream commit 48e7bbbbb261b007fe78aa14ae62df01d236497e ]
fsl_ep_fifo_status() should return error if _ep->desc is null.
Fixes: 75eaa498c99e (â??usb: gadget: Correct NULL pointer checking in fsl gadgetâ??)
Reviewed-by: Peter Chen <peter.chen@xxxxxxx>
Signed-off-by: Ran Wang <ran.wang_1@xxxxxxx>
Signed-off-by: Felipe Balbi <balbi@xxxxxxxxxx>
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
diff --git a/drivers/usb/gadget/udc/fsl_udc_core.c b/drivers/usb/gadget/udc/fsl_udc_core.c
index a6f7b2594c090..c0cb007b749ff 100644
--- a/drivers/usb/gadget/udc/fsl_udc_core.c
+++ b/drivers/usb/gadget/udc/fsl_udc_core.c
@@ -1051,7 +1051,7 @@ static int fsl_ep_fifo_status(struct usb_ep *_ep)
u32 bitmask;
struct ep_queue_head *qh;
- if (!_ep || _ep->desc || !(_ep->desc->bEndpointAddress&0xF))
+ if (!_ep || !_ep->desc || !(_ep->desc->bEndpointAddress&0xF))
return -ENODEV;
ep = container_of(_ep, struct fsl_ep, ep);
