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    Subject[PATCH 07/20] nvram: drop useless access_ok()
    Date
    From: Al Viro <viro@zeniv.linux.org.uk>

    we are using copy_to_user()/memdup_user() anyway

    Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
    ---
    drivers/char/nvram.c | 4 ----
    1 file changed, 4 deletions(-)

    diff --git a/drivers/char/nvram.c b/drivers/char/nvram.c
    index 4667844eee69..8206412d25ba 100644
    --- 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;

    --
    2.11.0
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