Re: [PATCH v2 net-next resend] leds: trigger: netdev: uninitialized variable in netdev_trig_activate()

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On Wed, 14 Jun 2023, Dan Carpenter wrote:

> The qca8k_cled_hw_control_get() function which implements ->hw_control_get
> sets the appropriate bits but does not clear them.  This leads to an
> uninitialized variable bug.  Fix this by setting mode to zero at the
> start.
> 
> Fixes: e0256648c831 ("net: dsa: qca8k: implement hw_control ops")
> Signed-off-by: Dan Carpenter <dan.carpenter@xxxxxxxxxx>
> Reviewed-by: Andrew Lunn <andrew@xxxxxxx>
> ---
> Resending because this actually goes through net-next and not the led
> subsystem.
> 
> v2: In the original patch I fixed qca8k_cled_hw_control_get() instead
> so that patch went to netdev instead of to the led subsystem.
> https://lore.kernel.org/all/5dff3719-f827-45b6-a0d3-a00efed1099b@moroto.mountain/
> Fixing it here is a more reliable way to do it.
> 
>  drivers/leds/trigger/ledtrig-netdev.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)

Acked-by: Lee Jones <lee@xxxxxxxxxx>

-- 
Lee Jones [李琼斯]



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