Messages in this thread Patch in this message | | | From | Al Viro <> | Subject | [PATCH 07/20] nvram: drop useless access_ok() | Date | Sun, 10 May 2020 00:45:44 +0100 |
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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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