Re: [PATCH V2] tty/n_gsm.c: use gsm->num to remove mux itself from gsm_mux[]

[Greg Kroah-Hartman]

On Tue, Jan 05, 2016 at 03:42:52PM +0800, Pan Xinhui wrote:
> From: Pan Xinhui <xinhui.pan@xxxxxxxxxxxxxxxxxx>
> 
> There is one filed gsm->num to store mux's index of gsm_mux[]. So use
> gsm->num to remove itself from gsm_mux[] instead of the for-loop
> traverse in gsm_cleanup_mux().
> 
> Signed-off-by: Pan Xinhui <xinhui.pan@xxxxxxxxxxxxxxxxxx>
> Reviewed-by: Alan Cox <alan@xxxxxxxxxxxxxxx>
> ---
> change from V1:
> 	lock is also held for the if()
> ---
>  drivers/tty/n_gsm.c | 13 +++++--------
>  1 file changed, 5 insertions(+), 8 deletions(-)

Doesn't apply to my tty-next branch of the tty.git tree :(