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| author | Al Viro <viro@zeniv.linux.org.uk> | 2020-02-19 05:05:39 +0100 |
|---|---|---|
| committer | Al Viro <viro@zeniv.linux.org.uk> | 2020-05-09 21:57:04 +0200 |
| commit | f06d3a7e6ebe4faf94cf0be1b25ae6df33620d88 (patch) | |
| tree | 3d11b390d889134b93cdea04e6c008100d9c2932 /fs/fat | |
| parent | dlmfs_file_write(): get rid of pointless access_ok() (diff) | |
| download | linux-f06d3a7e6ebe4faf94cf0be1b25ae6df33620d88.tar.xz linux-f06d3a7e6ebe4faf94cf0be1b25ae6df33620d88.zip | |
fat_dir_ioctl(): hadn't needed that access_ok() for more than a decade...
address is passed only to put_user() and copy_to_user()
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Diffstat (limited to 'fs/fat')
| -rw-r--r-- | fs/fat/dir.c | 4 |
1 files changed, 0 insertions, 4 deletions
diff --git a/fs/fat/dir.c b/fs/fat/dir.c index 054acd9fd033..b4ddf48fa444 100644 --- a/fs/fat/dir.c +++ b/fs/fat/dir.c @@ -804,8 +804,6 @@ static long fat_dir_ioctl(struct file *filp, unsigned int cmd, return fat_generic_ioctl(filp, cmd, arg); } - if (!access_ok(d1, sizeof(struct __fat_dirent[2]))) - return -EFAULT; /* * Yes, we don't need this put_user() absolutely. However old * code didn't return the right value. So, app use this value, @@ -844,8 +842,6 @@ static long fat_compat_dir_ioctl(struct file *filp, unsigned cmd, return fat_generic_ioctl(filp, cmd, (unsigned long)arg); } - if (!access_ok(d1, sizeof(struct compat_dirent[2]))) - return -EFAULT; /* * Yes, we don't need this put_user() absolutely. However old * code didn't return the right value. So, app use this value, |