give readdir(2)/getdents(2)/etc. uniform exclusion with lseek()
same as read() on regular files has, and for the same reason.
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
diff --git a/fs/readdir.c b/fs/readdir.c
index bf583e8..d7308b8 100644
--- a/fs/readdir.c
+++ b/fs/readdir.c
@@ -112,7 +112,7 @@
struct old_linux_dirent __user *, dirent, unsigned int, count)
{
int error;
- struct fd f = fdget(fd);
+ struct fd f = fdget_pos(fd);
struct readdir_callback buf = {
.ctx.actor = fillonedir,
.dirent = dirent
@@ -125,7 +125,7 @@
if (buf.result)
error = buf.result;
- fdput(f);
+ fdput_pos(f);
return error;
}
@@ -209,7 +209,7 @@
if (!access_ok(VERIFY_WRITE, dirent, count))
return -EFAULT;
- f = fdget(fd);
+ f = fdget_pos(fd);
if (!f.file)
return -EBADF;
@@ -223,7 +223,7 @@
else
error = count - buf.count;
}
- fdput(f);
+ fdput_pos(f);
return error;
}
@@ -290,7 +290,7 @@
if (!access_ok(VERIFY_WRITE, dirent, count))
return -EFAULT;
- f = fdget(fd);
+ f = fdget_pos(fd);
if (!f.file)
return -EBADF;
@@ -305,6 +305,6 @@
else
error = count - buf.count;
}
- fdput(f);
+ fdput_pos(f);
return error;
}