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authorErik Hovland <erik@hovland.org>2007-04-23 10:50:15 -0700
committerGreg Kroah-Hartman <gregkh@suse.de>2007-04-27 13:28:42 -0700
commitb8d297c93a888fcd4d74ba0bbeeabe9b84caf514 (patch)
tree2249461166b9aaa23e21b48fa2b879f32259b49a /drivers/usb/gadget/ether.c
parent83f7d958eab2fbc6b159ee92bf1493924e1d0f72 (diff)
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>
Diffstat (limited to 'drivers/usb/gadget/ether.c')
-rw-r--r--drivers/usb/gadget/ether.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/drivers/usb/gadget/ether.c b/drivers/usb/gadget/ether.c
index 8f9f217e0a6..96df8413f39 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);