Commit 6e050503 authored by Al Viro's avatar Al Viro
Browse files

sh: fix copy_from_user() 



Cc: stable@vger.kernel.org
Signed-off-by: default avatarAl Viro <viro@zeniv.linux.org.uk>
parent c6852389

arch/sh/include/asm/uaccess.h

+4 −1
Original line number Diff line number Diff line
@@ -151,7 +151,10 @@ copy_from_user(void *to, const void __user *from, unsigned long n) 
	__kernel_size_t __copy_size = (__kernel_size_t) n;



	if (__copy_size && __access_ok(__copy_from, __copy_size))

		return __copy_user(to, from, __copy_size);

		__copy_size = __copy_user(to, from, __copy_size);



	if (unlikely(__copy_size))

		memset(to + (n - __copy_size), 0, __copy_size);



	return __copy_size;

}