nvram: drop useless access_ok()

we are using copy_to_user()/memdup_user() anyway

Reviewed-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>

diff --git a/drivers/char/nvram.c b/drivers/char/nvram.c
index 4667844..8206412 100644 (file)
--- a/drivers/char/nvram.c
+++ b/drivers/char/nvram.c
@@ -232,8 +232,6 @@ static ssize_t nvram_misc_read(struct file *file, char __user *buf,
        ssize_t ret;
 
 
-       if (!access_ok(buf, count))
-               return -EFAULT;
        if (*ppos >= nvram_size)
                return 0;
 
@@ -264,8 +262,6 @@ static ssize_t nvram_misc_write(struct file *file, const char __user *buf,
        char *tmp;
        ssize_t ret;
 
-       if (!access_ok(buf, count))
-               return -EFAULT;
        if (*ppos >= nvram_size)
                return 0;