[ldv-project] [PATCH] staging: wilc1000: fix double mutex_unlock on failure path in wilc_wlan_cleanup()

[Greg Kroah-Hartman]

On Sat, Dec 05, 2015 at 01:04:34AM +0300, Alexey Khoroshilov wrote:
> If hif_read_reg() or hif_write_reg() fail in wilc_wlan_cleanup(),
> it calls release_bus() and continues execution. But it leads to double
> release_bus() call that means double unlock of g_linux_wlan->hif_cs mutex.
> 
> The patch adds return in case of failure.
> 
> Found by Linux Driver Verification project (linuxtesting.org).
> 
> Signed-off-by: Alexey Khoroshilov <khoroshilov at ispras.ru>
> ---
>  drivers/staging/wilc1000/wilc_wlan.c | 2 ++
>  1 file changed, 2 insertions(+)

No longer applies to my tree, can you rebase it against staging-testing
and resend?

thanks,

greg k-h