[PATCH 67/78] usb ethernet gadget, workaround network stack API glitch
Greg Kroah-Hartman <[email protected]>
| Newsgroups | gmane.linux.usb.devel |
|---|---|
| Message-ID | <[email protected]> |
From: Erik Hovland <[email protected]> Another workaround for the glitch in the network layer, whereby one call ignores the (otherwise kernel-wide) convention that free() calls should not oops when passed nulls. This code already handles that API glitch in most other paths. From: Erik Hovland <[email protected]> Signed-off-by: David Brownell <[email protected]> Signed-off-by: Greg Kroah-Hartman <[email protected]> --- drivers/usb/gadget/ether.c | 3 ++- 1 files changed, 2 insertions(+), 1 deletions(-) diff --git a/drivers/usb/gadget/ether.c b/drivers/usb/gadget/ether.c index 8f9f217..96df841 100644 --- a/drivers/usb/gadget/ether.c +++ b/drivers/usb/gadget/ether.c @@ -1735,7 +1735,8 @@ enomem: defer_kevent (dev, WORK_RX_MEMORY); if (retval) { DEBUG (dev, "rx submit --> %d\n", retval); - dev_kfree_skb_any (skb); + if (skb) + dev_kfree_skb_any(skb); spin_lock(&dev->req_lock); list_add (&req->list, &dev->rx_reqs); spin_unlock(&dev->req_lock); -- 1.5.1.2 ------------------------------------------------------------------------- This SF.net email is sponsored by DB2 Express Download DB2 Express C - the FREE version of DB2 express and take control of your XML. No limits. Just data. Click to get it now. http://sourceforge.net/powerbar/db2/ _______________________________________________ [email protected] To unsubscribe, use the last form field at: https://lists.sourceforge.net/lists/listinfo/linux-usb-devel