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| author |   Erik Hovland <erik@hovland.org> | 2007-04-23 10:50:15 -0700 |
|---|---|---|
| committer |   Greg Kroah-Hartman <gregkh@suse.de> | 2007-04-27 13:28:42 -0700 |
| commit | b8d297c93a888fcd4d74ba0bbeeabe9b84caf514 (patch) | |
| tree | 2249461166b9aaa23e21b48fa2b879f32259b49a | |
| parent | USB: add "busnum" attribute for USB devices (diff) | |
| download | linux-dev-b8d297c93a888fcd4d74ba0bbeeabe9b84caf514.tar.xz linux-dev-b8d297c93a888fcd4d74ba0bbeeabe9b84caf514.zip | |
usb ethernet gadget, workaround network stack API glitch
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 <erik@hovland.org>
Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
| -rw-r--r-- | 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 8f9f217e0a68..96df8413f391 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); |