[patch] drm/mgag200: set an error code

[Dan Carpenter]

We need to set "ret" if vmalloc() fails.

Fixes: aec9e12953e7 ('drm/mgag200: Fix error handling paths in fbdev driver')
Signed-off-by: Dan Carpenter <dan.carpenter at oracle.com>

diff --git a/drivers/gpu/drm/mgag200/mgag200_fb.c b/drivers/gpu/drm/mgag200/mgag200_fb.c
index b35b5b2..2a1049e 100644
--- a/drivers/gpu/drm/mgag200/mgag200_fb.c
+++ b/drivers/gpu/drm/mgag200/mgag200_fb.c
@@ -185,8 +185,10 @@ static int mgag200fb_create(struct drm_fb_helper *helper,
 	}
 
 	sysram = vmalloc(size);
-	if (!sysram)
+	if (!sysram) {
+		ret = -ENOMEM;
 		goto err_sysram;
+	}
 
 	info = drm_fb_helper_alloc_fbi(helper);
 	if (IS_ERR(info)) {