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| author | Nikhil Badola <nikhil.badola@freescale.com> | 2015-06-09 11:17:17 (GMT) |
|---|---|---|
| committer | Honghua Yin <Hong-Hua.Yin@freescale.com> | 2015-06-10 03:17:38 (GMT) |
| commit | 66e98353166bf120c4ca1b264b926b09b8d90d20 (patch) | |
| tree | 8741cd9e1ca488efe44b80fdb2787844ebab2eda | |
| parent | 21090f1e2889190450ec0b833dffd0a3af372e2a (diff) | |
| download | linux-fsl-qoriq-66e98353166bf120c4ca1b264b926b09b8d90d20.tar.xz | |
drivers: 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>
Change-Id: I449d00d49f2ae842aa256907021b95b7885ccaf5
Reviewed-on: http://git.am.freescale.net:8181/37641
Tested-by: Review Code-CDREVIEW <CDREVIEW@freescale.com>
Reviewed-by: Ramneek Mehresh <ramneek.mehresh@freescale.com>
Reviewed-by: Honghua Yin <Hong-Hua.Yin@freescale.com>
| -rw-r--r-- | drivers/usb/gadget/fsl_udc_core.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/usb/gadget/fsl_udc_core.c b/drivers/usb/gadget/fsl_udc_core.c index 638a345..2068625 100644 --- a/drivers/usb/gadget/fsl_udc_core.c +++ b/drivers/usb/gadget/fsl_udc_core.c @@ -1059,7 +1059,7 @@ 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; |