checkpatch: usb_free_urb() can take NULL
authorGreg Kroah-Hartman <gregkh@suse.de>
Mon, 14 Apr 2008 21:17:29 +0000 (14:17 -0700)
committerGreg Kroah-Hartman <gregkh@suse.de>
Fri, 25 Apr 2008 04:16:33 +0000 (21:16 -0700)
usb_free_urb() can take a NULL, so let's check and warn about that.

Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

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