'drm_dev_alloc()' returns an error pointer in case of error, not NULL So test it with IS_ERR.
This behavior has been introduced recently in 0f2886057be3. For some reason, this file has not been updated.
Fixes: 0f2886057be3 ("drm: Don't swallow error codes in drm_dev_alloc()")
Signed-off-by: Christophe JAILLET christophe.jaillet@wanadoo.fr --- drivers/gpu/drm/imx/imx-drm-core.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/drivers/gpu/drm/imx/imx-drm-core.c b/drivers/gpu/drm/imx/imx-drm-core.c index 98df09c2b388..3acc976cc04e 100644 --- a/drivers/gpu/drm/imx/imx-drm-core.c +++ b/drivers/gpu/drm/imx/imx-drm-core.c @@ -357,8 +357,8 @@ static int imx_drm_bind(struct device *dev) int ret;
drm = drm_dev_alloc(&imx_drm_driver, dev); - if (!drm) - return -ENOMEM; + if (IS_ERR(drm)) + return PTR_ERR(drm);
imxdrm = devm_kzalloc(dev, sizeof(*imxdrm), GFP_KERNEL); if (!imxdrm) {