diff options
| author | Nikhil Badola <nikhil.badola@freescale.com> | 2015-06-09 11:17:17 (GMT) |
|---|---|---|
| committer | Xie Xiaobo <xiaobo.xie@nxp.com> | 2017-09-25 07:25:27 (GMT) |
| commit | 0533ae8521e38ed1f868dd821d2b607670c17e3f (patch) | |
| tree | 091884812f6d63196fd678c91d79a063d6fe7899 /drivers/usb | |
| parent | d0e1a26e6d6067243be70ce333007d9c86494923 (diff) | |
| download | linux-0533ae8521e38ed1f868dd821d2b607670c17e3f.tar.xz | |
usb: gadget: Correct NULL pointer checking in fsl gadget
Correct NULL pointer checking for endpoint descriptor
before it gets dereferenced
Signed-off-by: Nikhil Badola <nikhil.badola@freescale.com>
Diffstat (limited to 'drivers/usb')
| -rw-r--r-- | drivers/usb/gadget/udc/fsl_udc_core.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/usb/gadget/udc/fsl_udc_core.c b/drivers/usb/gadget/udc/fsl_udc_core.c index 0353a45..4ee7b08 100644 --- a/drivers/usb/gadget/udc/fsl_udc_core.c +++ b/drivers/usb/gadget/udc/fsl_udc_core.c @@ -1063,7 +1063,7 @@ static int fsl_ep_fifo_status(struct usb_ep *_ep) struct ep_queue_head *qh; ep = container_of(_ep, struct fsl_ep, ep); - if (!_ep || (!ep->ep.desc && ep_index(ep) != 0)) + if (!_ep || !ep->ep.desc || (ep_index(ep) == 0)) return -ENODEV; udc = (struct fsl_udc *)ep->udc; |