Sorry for sending twice(and top posting), but I was not subscribed to
dri-devel ML, so patchwork was not aware of these 2 patches.
Best regards
--
Giulio Benetti
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Il 02/10/2018 23:59, Giulio Benetti ha scritto:
At the moment, the check of tcon->panel to be valid is wrong. IS_ERR()
has been used, but that macro doesn't check if tcon->panel pointer is
null or not, but check if tcon->panel is between -1 and -4095(MAX_ERRNO).
Remove IS_ERR() from tcon->panel checking and let "if (tcon->panel)" as
condition to check if it's a pointer not null.
Signed-off-by: Giulio Benetti <giulio.benetti@xxxxxxxxxxxxxxxx>
---
drivers/gpu/drm/sun4i/sun4i_tcon.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/sun4i/sun4i_tcon.c b/drivers/gpu/drm/sun4i/sun4i_tcon.c
index c78cd35a1294..e4b3bd0307ef 100644
--- a/drivers/gpu/drm/sun4i/sun4i_tcon.c
+++ b/drivers/gpu/drm/sun4i/sun4i_tcon.c
@@ -555,7 +555,7 @@ static void sun4i_tcon0_mode_set_rgb(struct sun4i_tcon *tcon,
* Following code is a way to avoid quirks all around TCON
* and DOTCLOCK drivers.
*/
- if (!IS_ERR(tcon->panel)) {
+ if (tcon->panel) {
struct drm_panel *panel = tcon->panel;
struct drm_connector *connector = panel->connector;
struct drm_display_info display_info = connector->display_info;
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