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| author |   Al Viro <viro@zeniv.linux.org.uk> | 2019-08-30 19:31:09 -0400 |
|---|---|---|
| committer | Al Viro <viro@zeniv.linux.org.uk> | 2019-08-30 19:31:09 -0400 |
| commit | f2683bd8d5bdebb929f05ae26ce6d9b578927ce5 (patch) | |
| tree | 3a5fc98d46de7b73f22dea0893b8f126e4eb8f39 /fs/d_path.c | |
| parent | Linus 5.3-rc1 (diff) | |
| download | linux-dev-f2683bd8d5bdebb929f05ae26ce6d9b578927ce5.tar.xz linux-dev-f2683bd8d5bdebb929f05ae26ce6d9b578927ce5.zip | |
[PATCH] fix d_absolute_path() interplay with fsmount()
stuff in anon namespace should be treated as unattached.
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Diffstat (limited to 'fs/d_path.c')
| -rw-r--r-- | fs/d_path.c | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/fs/d_path.c b/fs/d_path.c index a7d0a96b35ce..0f1fc1743302 100644 --- a/fs/d_path.c +++ b/fs/d_path.c @@ -116,8 +116,10 @@ restart: vfsmnt = &mnt->mnt; continue; } - if (!error) - error = is_mounted(vfsmnt) ? 1 : 2; + if (is_mounted(vfsmnt) && !is_anon_ns(mnt->mnt_ns)) + error = 1; // absolute root + else + error = 2; // detached or not attached yet break; } parent = dentry->d_parent; |