From: Sean Paul <seanpaul@xxxxxxxxxxxx>
We have if (!phy->pll) checks scattered through the driver and if
phy->pll is an error pointer, those checks will pass and bad things will
happen :(
Signed-off-by: Sean Paul <seanpaul@xxxxxxxxxxxx>
---
drivers/gpu/drm/msm/dsi/phy/dsi_phy.c | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/msm/dsi/phy/dsi_phy.c b/drivers/gpu/drm/msm/dsi/phy/dsi_phy.c
index 1760483b247e..6491b0ceab23 100644
--- a/drivers/gpu/drm/msm/dsi/phy/dsi_phy.c
+++ b/drivers/gpu/drm/msm/dsi/phy/dsi_phy.c
@@ -616,10 +616,12 @@ static int dsi_phy_driver_probe(struct platform_device *pdev)
goto fail;
phy->pll = msm_dsi_pll_init(pdev, phy->cfg->type, phy->id);
- if (IS_ERR_OR_NULL(phy->pll))
+ if (IS_ERR_OR_NULL(phy->pll)) {
DRM_DEV_INFO(dev,
"%s: pll init failed: %ld, need separate pll clk driver\n",
__func__, PTR_ERR(phy->pll));
+ phy->pll = NULL;
+ }
dsi_phy_disable_resource(phy);
--
Sean Paul, Software Engineer, Google / Chromium OS
