usb: gadget: fsl: fix null pointer checking

Linux kernel mirror (for testing) git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git

kernel os linux

fsl_ep_fifo_status() should return error if _ep->desc is null.

Fixes: 75eaa498c99e (“usb: gadget: Correct NULL pointer checking in fsl gadget”)
Reviewed-by: Peter Chen <peter.chen@nxp.com>
Signed-off-by: Ran Wang <ran.wang_1@nxp.com>
Signed-off-by: Felipe Balbi <balbi@kernel.org>

authored by

Ran Wang and committed by

Felipe Balbi 5 years ago 48e7bbbb 0d66e048

+1 -1

1 changed file

expand all

drivers

usb

gadget

udc

fsl_udc_core.c

+1 -1

drivers/usb/gadget/udc/fsl_udc_core.c

··· 1051 1051 u32 bitmask; 1052 1052 struct ep_queue_head *qh; 1053 1053 1054 - if (!_ep || _ep->desc || !(_ep->desc->bEndpointAddress&0xF)) 1054 + if (!_ep || !_ep->desc || !(_ep->desc->bEndpointAddress&0xF)) 1055 1055 return -ENODEV; 1056 1056 1057 1057 ep = container_of(_ep, struct fsl_ep, ep);