drm: Don't swallow error codes in drm_dev_alloc()
authorTom Gundersen <teg@jklm.no>
Wed, 21 Sep 2016 14:59:19 +0000 (16:59 +0200)
committerSean Paul <seanpaul@chromium.org>
Thu, 22 Sep 2016 11:03:48 +0000 (04:03 -0700)
commit0f2886057be322ddfa4858384c40a505f7a32a4a
tree95fd93e32cce031f99920cd1937b4e46491e65b3
parentc6bf811a0b55ab224fb2c75345641b4bb599475c
drm: Don't swallow error codes in drm_dev_alloc()

There are many reasons other than ENOMEM that drm_dev_init() can
fail. Return ERR_PTR rather than NULL to be able to distinguish
these in the caller.

Signed-off-by: Tom Gundersen <teg@jklm.no>
Signed-off-by: Sean Paul <seanpaul@chromium.org>
Link: http://patchwork.freedesktop.org/patch/msgid/20160921145919.13754-2-teg@jklm.no
22 files changed:
drivers/gpu/drm/arc/arcpgu_drv.c
drivers/gpu/drm/arm/hdlcd_drv.c
drivers/gpu/drm/arm/malidp_drv.c
drivers/gpu/drm/atmel-hlcdc/atmel_hlcdc_dc.c
drivers/gpu/drm/drm_drv.c
drivers/gpu/drm/drm_pci.c
drivers/gpu/drm/drm_platform.c
drivers/gpu/drm/etnaviv/etnaviv_drv.c
drivers/gpu/drm/fsl-dcu/fsl_dcu_drm_drv.c
drivers/gpu/drm/hisilicon/kirin/kirin_drm_drv.c
drivers/gpu/drm/mediatek/mtk_drm_drv.c
drivers/gpu/drm/msm/msm_drv.c
drivers/gpu/drm/nouveau/nouveau_drm.c
drivers/gpu/drm/rcar-du/rcar_du_drv.c
drivers/gpu/drm/rockchip/rockchip_drm_drv.c
drivers/gpu/drm/sti/sti_drv.c
drivers/gpu/drm/sun4i/sun4i_drv.c
drivers/gpu/drm/tegra/drm.c
drivers/gpu/drm/udl/udl_drv.c
drivers/gpu/drm/vc4/vc4_drv.c
drivers/gpu/drm/vgem/vgem_drv.c
drivers/gpu/drm/virtio/virtgpu_drm_bus.c