[PATCH -next] drm/mgag200: fix error return code in mgag200fb_create()

[Wei Yongjun]

Fix to return error code -ENOMEM from the vmalloc() error handling
case instead of 0, as done elsewhere in this function.

Fixes: aec9e12953e7 ("drm/mgag200: Fix error handling paths in fbdev driver")
Signed-off-by: Wei Yongjun <weiyj...@gmail.com>
---
 drivers/gpu/drm/mgag200/mgag200_fb.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/mgag200/mgag200_fb.c 
b/drivers/gpu/drm/mgag200/mgag200_fb.c
index 81325f6..88dd221 100644
--- a/drivers/gpu/drm/mgag200/mgag200_fb.c
+++ b/drivers/gpu/drm/mgag200/mgag200_fb.c
@@ -183,8 +183,10 @@ 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)) {