Using IS_ERR_OR_NULL() together with PTR_ERR() is a typical mistake. If the value is NULL, then the function will return 0 instead of a proper return code. Moreover none of dpu_hw_*_init() functions can return NULL. So, replace all dpu_rm_init()'s IS_ERR_OR_NULL() calls with IS_ERR().
Signed-off-by: Dmitry Baryshkov dmitry.baryshkov@linaro.org --- drivers/gpu/drm/msm/disp/dpu1/dpu_rm.c | 12 ++++++------ 1 file changed, 6 insertions(+), 6 deletions(-)
diff --git a/drivers/gpu/drm/msm/disp/dpu1/dpu_rm.c b/drivers/gpu/drm/msm/disp/dpu1/dpu_rm.c index 96554e962e38..7497538adae1 100644 --- a/drivers/gpu/drm/msm/disp/dpu1/dpu_rm.c +++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_rm.c @@ -109,7 +109,7 @@ int dpu_rm_init(struct dpu_rm *rm, continue; } hw = dpu_hw_lm_init(lm->id, mmio, cat); - if (IS_ERR_OR_NULL(hw)) { + if (IS_ERR(hw)) { rc = PTR_ERR(hw); DPU_ERROR("failed lm object creation: err %d\n", rc); goto fail; @@ -126,7 +126,7 @@ int dpu_rm_init(struct dpu_rm *rm, continue; } hw = dpu_hw_merge_3d_init(merge_3d->id, mmio, cat); - if (IS_ERR_OR_NULL(hw)) { + if (IS_ERR(hw)) { rc = PTR_ERR(hw); DPU_ERROR("failed merge_3d object creation: err %d\n", rc); @@ -144,7 +144,7 @@ int dpu_rm_init(struct dpu_rm *rm, continue; } hw = dpu_hw_pingpong_init(pp->id, mmio, cat); - if (IS_ERR_OR_NULL(hw)) { + if (IS_ERR(hw)) { rc = PTR_ERR(hw); DPU_ERROR("failed pingpong object creation: err %d\n", rc); @@ -168,7 +168,7 @@ int dpu_rm_init(struct dpu_rm *rm, continue; } hw = dpu_hw_intf_init(intf->id, mmio, cat); - if (IS_ERR_OR_NULL(hw)) { + if (IS_ERR(hw)) { rc = PTR_ERR(hw); DPU_ERROR("failed intf object creation: err %d\n", rc); goto fail; @@ -185,7 +185,7 @@ int dpu_rm_init(struct dpu_rm *rm, continue; } hw = dpu_hw_ctl_init(ctl->id, mmio, cat); - if (IS_ERR_OR_NULL(hw)) { + if (IS_ERR(hw)) { rc = PTR_ERR(hw); DPU_ERROR("failed ctl object creation: err %d\n", rc); goto fail; @@ -202,7 +202,7 @@ int dpu_rm_init(struct dpu_rm *rm, continue; } hw = dpu_hw_dspp_init(dspp->id, mmio, cat); - if (IS_ERR_OR_NULL(hw)) { + if (IS_ERR(hw)) { rc = PTR_ERR(hw); DPU_ERROR("failed dspp object creation: err %d\n", rc); goto fail;