[PATCH] drm/panthor: Fix NULL vs IS_ERR() bug in panthor_probe()

[Harshit Mogalapalli]

The devm_drm_dev_alloc() function returns error pointers.
Update the error handling to check for error pointers instead of NULL.

Fixes: 4bdca1150792 ("drm/panthor: Add the driver frontend block")
Signed-off-by: Harshit Mogalapalli <harshit.m.mogalapalli@xxxxxxxxxx>
---
This is spotted by smatch and the patch is only compile tested
---
 drivers/gpu/drm/panthor/panthor_drv.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/panthor/panthor_drv.c b/drivers/gpu/drm/panthor/panthor_drv.c
index 11b3ccd58f85..1b588b37db98 100644
--- a/drivers/gpu/drm/panthor/panthor_drv.c
+++ b/drivers/gpu/drm/panthor/panthor_drv.c
@@ -1385,7 +1385,7 @@ static int panthor_probe(struct platform_device *pdev)
 
 	ptdev = devm_drm_dev_alloc(&pdev->dev, &panthor_drm_driver,
 				   struct panthor_device, base);
-	if (!ptdev)
+	if (IS_ERR(ptdev))
 		return -ENOMEM;
 
 	platform_set_drvdata(pdev, ptdev);
-- 
2.39.3