On Sat, May 04, 2013 at 12:45:19PM +0200, Michael Leun wrote:
> After reverting 57eccb830f1cc93d4b506ba306d8dfa685e0c88f from 3.9 that
> umount above works (not busy).
Sigh... Check if the following fix works for your testcase:
diff --git a/fs/namespace.c b/fs/namespace.c
index b4f96a5..b68eef2d 100644
--- a/fs/namespace.c
+++ b/fs/namespace.c
@@ -2284,12 +2284,11 @@ long do_mount(const char *dev_name, const char
*dir_name,
retval = security_sb_mount(dev_name, &path,
type_page, flags, data_page);
+ if (!retval && !may_mount())
+ retval = -EPERM;
if (retval)
goto dput_out;
- if (!may_mount())
- return -EPERM;
-
/* Default to relatime unless overriden */
if (!(flags & MS_NOATIME))
mnt_flags |= MNT_RELATIME;
--
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