On Thu, 02 Mar 2023, Johan Hovold <[email protected]> wrote: > Make sure to clear the transfer buffer before fetching the EDID to > avoid leaking slab data to the logs on errors that leave the buffer > unchanged. > > Fixes: 69c7717c20cc ("drm/edid: Dump the EDID when drm_edid_get_panel_id() > has an error") > Cc: [email protected] # 6.2 > Cc: Douglas Anderson <[email protected]> > Signed-off-by: Johan Hovold <[email protected]>
Reviewed-by: Jani Nikula <[email protected]> > --- > drivers/gpu/drm/drm_edid.c | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) > > diff --git a/drivers/gpu/drm/drm_edid.c b/drivers/gpu/drm/drm_edid.c > index 3841aba17abd..8707fe72a028 100644 > --- a/drivers/gpu/drm/drm_edid.c > +++ b/drivers/gpu/drm/drm_edid.c > @@ -2797,7 +2797,7 @@ u32 drm_edid_get_panel_id(struct i2c_adapter *adapter) > * the EDID then we'll just return 0. > */ > > - base_block = kmalloc(EDID_LENGTH, GFP_KERNEL); > + base_block = kzalloc(EDID_LENGTH, GFP_KERNEL); > if (!base_block) > return 0; -- Jani Nikula, Intel Open Source Graphics Center
