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authorDavid Brownell <david-b@pacbell.net>2007-12-19 22:27:51 +0300
committerGreg Kroah-Hartman <gregkh@suse.de>2008-02-02 01:34:58 +0300
commite7b13ec9235b9fded90f826ceeb8c34548631351 (patch)
tree59fc534eda674c64c4a23e98b0d13a233579e19a /drivers/usb
parent340ba5f9cee6c7096162bfb2e0f7589f1ce0e142 (diff)
downloadlinux-e7b13ec9235b9fded90f826ceeb8c34548631351.tar.xz
USB: gadget: ethernet error path potential oops fix
Fix potential (never-observed) oops on rare error path, bugzilla #9594. Fix uses the same test as used earlier. Also make the adjacent "else" block look like an "else" block instead of hiding like a bug. Signed-off-by: David Brownell <dbrownell@users.sourceforge.net> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Diffstat (limited to 'drivers/usb')
-rw-r--r--drivers/usb/gadget/ether.c6
1 files changed, 3 insertions, 3 deletions
diff --git a/drivers/usb/gadget/ether.c b/drivers/usb/gadget/ether.c
index 9e732bff9df0..a70e255402b8 100644
--- a/drivers/usb/gadget/ether.c
+++ b/drivers/usb/gadget/ether.c
@@ -1067,19 +1067,19 @@ done:
/* on error, disable any endpoints */
if (result < 0) {
- if (!subset_active(dev))
+ if (!subset_active(dev) && dev->status_ep)
(void) usb_ep_disable (dev->status_ep);
dev->status = NULL;
(void) usb_ep_disable (dev->in_ep);
(void) usb_ep_disable (dev->out_ep);
dev->in = NULL;
dev->out = NULL;
- } else
+ }
/* activate non-CDC configs right away
* this isn't strictly according to the RNDIS spec
*/
- if (!cdc_active (dev)) {
+ else if (!cdc_active (dev)) {
netif_carrier_on (dev->net);
if (netif_running (dev->net)) {
spin_unlock (&dev->lock);