[PATCH next] drm: zynqmp_dp: Unlock on error in zynqmp_dp_bridge_atomic_enable()

Laurent Pinchart laurent.pinchart at ideasonboard.com
Tue Nov 12 16:43:05 UTC 2024


On Tue, Nov 12, 2024 at 09:41:58AM -0500, Sean Anderson wrote:
> On 11/12/24 00:27, Laurent Pinchart wrote:
> > Hi Dan,
> > 
> > Thank you for the patch.
> > 
> > On Mon, Nov 11, 2024 at 12:06:10PM +0300, Dan Carpenter wrote:
> >> We added some locking to this function, but accidentally forgot to unlock
> >> if zynqmp_dp_mode_configure() failed.  Use a guard lock to fix it.
> >> 
> >> Fixes: a7d5eeaa57d7 ("drm: zynqmp_dp: Add locking")
> >> Signed-off-by: Dan Carpenter <dan.carpenter at linaro.org>
> > 
> > Reviewed-by: Laurent Pinchart <laurent.pinchart at ideasonboard.com>
> > 
> > Sean, how about replacing all the mutex_lock()/mutex_unlock() calls
> > you've added in a7d5eeaa57d7 with guards ?
> 
> I have no objection to that.

Would you send a patch ? Otherwise I can do it.

-- 
Regards,

Laurent Pinchart


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