this patch fix leak of memory allocated to intr if allocation of
sc->urb_int fails.
Found by the Coverity checker.
Signed-off-by: NDuncan Sands <baldrick@free.fr>
Signed-off-by: NMatthieu CASTET <castet.matthieu@free.fr>
Signed-off-by: NGreg Kroah-Hartman <gregkh@suse.de>