drm: mxsfb: fix error return code in mxsfb_load()

Fix to return a negative error code from the error handling
case instead of 0, as done elsewhere in this function.

Signed-off-by: Wei Yongjun <weiyongjun1@huawei.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Link: http://patchwork.freedesktop.org/patch/msgid/20170205160036.7364-1-weiyj.lk@gmail.com

diff --git a/drivers/gpu/drm/mxsfb/mxsfb_drv.c b/drivers/gpu/drm/mxsfb/mxsfb_drv.c
index cdfbe02..28a75cb 100644 (file)
--- a/drivers/gpu/drm/mxsfb/mxsfb_drv.c
+++ b/drivers/gpu/drm/mxsfb/mxsfb_drv.c
@@ -221,6 +221,7 @@ static int mxsfb_load(struct drm_device *drm, unsigned long flags)
        mxsfb->fbdev = drm_fbdev_cma_init(drm, 32,
                                          drm->mode_config.num_connector);
        if (IS_ERR(mxsfb->fbdev)) {
+               ret = PTR_ERR(mxsfb->fbdev);
                mxsfb->fbdev = NULL;
                dev_err(drm->dev, "Failed to init FB CMA area\n");
                goto err_cma;