On Tue, 14 Jun 2022 at 09:52, AngeloGioacchino Del Regno <angelogioacchino.delregno@xxxxxxxxxxxxx> wrote: > > Il 13/06/22 18:37, Nícolas F. R. A. Prado ha scritto: > > While parsing the DT, the anx7625 driver checks for the presence of a > > panel bridge on endpoint 1. If it is missing, pdata->panel_bridge stores > > the error pointer and the function returns successfully without first > > cleaning that variable. This is an issue since other functions later > > check for the presence of a panel bridge by testing the trueness of that > > variable. > > > > In order to ensure proper behavior, zero out pdata->panel_bridge before > > returning when no panel bridge is found. > > > > Fixes: 9e82ea0fb1df ("drm/bridge: anx7625: switch to devm_drm_of_get_bridge") > > Signed-off-by: Nícolas F. R. A. Prado <nfraprado@xxxxxxxxxxxxx> > > > > I would've preferred s/zero out/cleanup/g but it's also fine as you wrote it. > Besides, good catch! > > Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@xxxxxxxxxxxxx> > Applied to drm-misc-next