[PATCH] [video/fbdev] mbxfb_remove: fix null pointer dereference

[Gaurav Singh]

Function mbxfb_debugfs_remove() accesses fbi->par without NULL check,
hence do the NULL check in the caller mbxfb_remove().

Signed-off-by: Gaurav Singh <gaurav1...@gmail.com>
---
 drivers/video/fbdev/mbx/mbxfb.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/drivers/video/fbdev/mbx/mbxfb.c b/drivers/video/fbdev/mbx/mbxfb.c
index 6dc287c819cb..515c0cda1994 100644
--- a/drivers/video/fbdev/mbx/mbxfb.c
+++ b/drivers/video/fbdev/mbx/mbxfb.c
@@ -1012,11 +1012,10 @@ static int mbxfb_remove(struct platform_device *dev)
 
        write_reg_dly(SYSRST_RST, SYSRST);
 
-       mbxfb_debugfs_remove(fbi);
-
        if (fbi) {
                struct mbxfb_info *mfbi = fbi->par;
 
+               mbxfb_debugfs_remove(fbi);
                unregister_framebuffer(fbi);
                if (mfbi) {
                        if (mfbi->platform_remove)
-- 
2.17.1