From: Wei Yongjun yongjun_wei@trendmicro.com.cn

In case of error, the function platform_device_register_resndata() returns ERR_PTR() and never returns NULL. The NULL test in the return value check should be replaced with IS_ERR().

Signed-off-by: Wei Yongjun yongjun_wei@trendmicro.com.cn --- drivers/gpu/drm/sti/sti_drm_drv.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/gpu/drm/sti/sti_drm_drv.c b/drivers/gpu/drm/sti/sti_drm_drv.c index a7cc249..c8a8412 100644 --- a/drivers/gpu/drm/sti/sti_drm_drv.c +++ b/drivers/gpu/drm/sti/sti_drm_drv.c @@ -201,8 +201,8 @@ static int sti_drm_platform_probe(struct platform_device *pdev) master = platform_device_register_resndata(dev, DRIVER_NAME "__master", -1, NULL, 0, NULL, 0); - if (!master) - return -EINVAL; + if (IS_ERR(master)) + return PTR_ERR(master);

platform_set_drvdata(pdev, master); return 0;