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| author | Liu Ying <Ying.Liu@freescale.com> | 2015-11-06 17:42:45 +0300 |
|---|---|---|
| committer | Philipp Zabel <p.zabel@pengutronix.de> | 2015-11-19 14:51:39 +0300 |
| commit | a7ed3c2b151e7581ed6022d0fe65903ccb502dc5 (patch) | |
| tree | ef9a93abd4409b5ad465ecc0a7656adf574e1cae | |
| parent | 4389559980599ad99f39a004d6e9aaf9c2180ab8 (diff) | |
| download | linux-a7ed3c2b151e7581ed6022d0fe65903ccb502dc5.tar.xz | |
drm/imx: ipuv3-crtc: Return error if ipu_plane_init() fails for primary plane
For primary plane initialization failure cases, ipu_plane_init() may return
a pointer encoded by ERR_PTR(). So, we should bailout instead of using that
pointer blindly.
Signed-off-by: Liu Ying <Ying.Liu@freescale.com>
Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>
| -rw-r--r-- | drivers/gpu/drm/imx/ipuv3-crtc.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/gpu/drm/imx/ipuv3-crtc.c b/drivers/gpu/drm/imx/ipuv3-crtc.c index f11284d06538..4cbc3df8ac96 100644 --- a/drivers/gpu/drm/imx/ipuv3-crtc.c +++ b/drivers/gpu/drm/imx/ipuv3-crtc.c @@ -361,6 +361,10 @@ static int ipu_crtc_init(struct ipu_crtc *ipu_crtc, dp = IPU_DP_FLOW_SYNC_BG; ipu_crtc->plane[0] = ipu_plane_init(drm, ipu, pdata->dma[0], dp, 0, DRM_PLANE_TYPE_PRIMARY); + if (IS_ERR(ipu_crtc->plane[0])) { + ret = PTR_ERR(ipu_crtc->plane[0]); + goto err_put_resources; + } ret = imx_drm_add_crtc(drm, &ipu_crtc->base, &ipu_crtc->imx_crtc, &ipu_crtc->plane[0]->base, &ipu_crtc_helper_funcs, |