Commit 447b9cdf2c4d8d7c6cb1ff64426c1dfaf7396f93
Committed by
Marek Vasut
1 parent
08c11cb5df
Exists in
v2017.01-smarct4x
and in
31 other branches
common: usb: fix checking condition
We support max USB_MAXENDPOINTS, so need to use "epno >= USB_MAXENDPOINTS", but not "epno > USB_MAXENDPOINTS". If use ">", we may exceeds the array of if_desc->ep_desc. Signed-off-by: Peng Fan <peng.fan@nxp.com> Cc: Simon Glass <sjg@chromium.org> Cc: Hans de Goede <hdegoede@redhat.com> Cc: Marek Vasut <marex@denx.de> Cc: Paul Kocialkowski <contact@paulk.fr> Cc: "Stefan Brüns" <stefan.bruens@rwth-aachen.de> Cc: Vincent Palatin <vpalatin@chromium.org>
Showing 1 changed file with 1 additions and 1 deletions Side-by-side Diff
common/usb.c
... | ... | @@ -456,7 +456,7 @@ |
456 | 456 | } |
457 | 457 | epno = dev->config.if_desc[ifno].no_of_ep; |
458 | 458 | if_desc = &dev->config.if_desc[ifno]; |
459 | - if (epno > USB_MAXENDPOINTS) { | |
459 | + if (epno >= USB_MAXENDPOINTS) { | |
460 | 460 | printf("Interface %d has too many endpoints!\n", |
461 | 461 | if_desc->desc.bInterfaceNumber); |
462 | 462 | return -EINVAL; |