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Subject[PATCH 6/6] readdir.c: get rid of the last __put_user(), drop now-useless access_ok()
Date
From: Al Viro <viro@zeniv.linux.org.uk>

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
---
fs/readdir.c | 11 +----------
1 file changed, 1 insertion(+), 10 deletions(-)

diff --git a/fs/readdir.c b/fs/readdir.c
index 9534675880ce..a49f07c11cfb 100644
--- a/fs/readdir.c
+++ b/fs/readdir.c
@@ -276,9 +276,6 @@ SYSCALL_DEFINE3(getdents, unsigned int, fd,
};
int error;

- if (!access_ok(dirent, count))
- return -EFAULT;
-
f = fdget_pos(fd);
if (!f.file)
return -EBADF;
@@ -362,9 +359,6 @@ int ksys_getdents64(unsigned int fd, struct linux_dirent64 __user *dirent,
};
int error;

- if (!access_ok(dirent, count))
- return -EFAULT;
-
f = fdget_pos(fd);
if (!f.file)
return -EBADF;
@@ -377,7 +371,7 @@ int ksys_getdents64(unsigned int fd, struct linux_dirent64 __user *dirent,
typeof(lastdirent->d_off) d_off = buf.ctx.pos;

lastdirent = (void __user *) buf.current_dir - buf.prev_reclen;
- if (__put_user(d_off, &lastdirent->d_off))
+ if (put_user(d_off, &lastdirent->d_off))
error = -EFAULT;
else
error = count - buf.count;
@@ -537,9 +531,6 @@ COMPAT_SYSCALL_DEFINE3(getdents, unsigned int, fd,
};
int error;

- if (!access_ok(dirent, count))
- return -EFAULT;
-
f = fdget_pos(fd);
if (!f.file)
return -EBADF;
--
2.11.0
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