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authorAl Viro <viro@zeniv.linux.org.uk>2020-04-23 10:20:06 -0400
committerAl Viro <viro@zeniv.linux.org.uk>2020-05-29 11:02:29 -0400
commit00fca6b53a88f600c59bae3828e1c2fdce58be0d (patch)
tree8610e47e97d4cf543aa4ca72d3025b91405fa818 /security
parent502fd722fe1ed0133d1108bff1d5911f46de6641 (diff)
downloadlinux-00fca6b53a88f600c59bae3828e1c2fdce58be0d.tar.bz2
tomoyo_write_control(): get rid of pointless access_ok()
address is passed only to get_user() Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Diffstat (limited to 'security')
-rw-r--r--security/tomoyo/common.c2
1 files changed, 0 insertions, 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;