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readdir.c: get rid of the last __put_user(), drop now-useless access_ok() 

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
This commit is contained in:
Al Viro 2020-02-18 22:34:07 -05:00
parent 82af599b70
commit 5fb1514164
1 changed files with 1 additions and 10 deletions
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11
fs/readdir.c
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@ -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;