Re: [PATCH 1/1] cadence: csi2rx: Fix csi2rx_start error handling

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On Wed, May 09, 2018 at 11:31:30PM +0300, Sakari Ailus wrote:
> The clocks enabled by csi2rx_start function are intended to be disabled in
> an error path but there are two issues:
> 
> 1) the loop condition is always true and
> 
> 2) the first clock disabled is the the one enabling of which failed.
> 
> Fix these two bugs by changing the loop condition as well as only disabling
> the clocks that were actually enabled.
> 
> Reported-by: Mauro Chehab <mchehab@xxxxxxxxxx>
> Signed-off-by: Sakari Ailus <sakari.ailus@xxxxxxxxxxxxxxx>
> ---
> Hi Mauro, Maxime,
> 
> Let me know if you're happy with this. It's intended to fix the following
> warnings (C=1 W=1):
> 
> drivers/media/platform/cadence/cdns-csi2rx.c: In function ‘csi2rx_start’:
> drivers/media/platform/cadence/cdns-csi2rx.c:177:11: warning: comparison of unsigned expression >= 0 is always true [-Wtype-limits]
> 
>  drivers/media/platform/cadence/cdns-csi2rx.c | 4 ++--
>  1 file changed, 2 insertions(+), 2 deletions(-)

That works for me :)

Feel free to add my Acked-by: Maxime Ripard <maxime.ripard@xxxxxxxxxxx>

Thanks!
Maxime

-- 
Maxime Ripard, Bootlin (formerly Free Electrons)
Embedded Linux and Kernel engineering
https://bootlin.com

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