From 89b5b9acf6037fc1a87f9e85c64831187a47ba94 Mon Sep 17 00:00:00 2001
From: Marvin Borner
Date: Sat, 17 Apr 2021 13:55:51 +0200
Subject: Implemented I/O polling

---
 kernel/drivers/fb.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

(limited to 'kernel/drivers/fb.c')

diff --git a/kernel/drivers/fb.c b/kernel/drivers/fb.c
index c74bc28..dcccf72 100644
--- a/kernel/drivers/fb.c
+++ b/kernel/drivers/fb.c
@@ -34,7 +34,7 @@ static res fb_ioctl(u32 request, void *arg1, void *arg2, void *arg3)
 		if (!info)
 			return -ENOENT;
 
-		if (!arg1 || !memory_writable(arg1))
+		if (!memory_writable(arg1))
 			return -EFAULT;
 
 		if (fb_owner != 0 && proc_from_pid(fb_owner))
-- 
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