'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 at 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) {
-- 
2.9.3

Reply via email to