Messages in this thread Patch in this message | | | From | Al Viro <> | Subject | [PATCH 05/20] tomoyo_write_control(): get rid of pointless access_ok() | Date | Sun, 10 May 2020 00:45:42 +0100 |
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From: Al Viro <viro@zeniv.linux.org.uk>
address is passed only to get_user()
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> --- security/tomoyo/common.c | 2 -- 1 file changed, 2 deletions(-)
diff --git a/security/tomoyo/common.c b/security/tomoyo/common.c index 1b467381986f..f93f8acd05f7 100644 --- a/security/tomoyo/common.c +++ b/security/tomoyo/common.c @@ -2662,8 +2662,6 @@ ssize_t tomoyo_write_control(struct tomoyo_io_buffer *head, if (!head->write) return -EINVAL; - if (!access_ok(buffer, buffer_len)) - return -EFAULT; if (mutex_lock_interruptible(&head->io_sem)) return -EINTR; head->read_user_buf_avail = 0; -- 2.11.0
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