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tomoyo_write_control(): get rid of pointless access_ok()

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address is passed only to get_user()

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
This commit is contained in:
Al Viro 2020-04-23 10:20:06 -04:00
parent 502fd722fe
commit 00fca6b53a
1 changed files with 0 additions and 2 deletions
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2
security/tomoyo/common.c
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@ -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;