diff options
| author | Ingo Molnar <mingo@elte.hu> | 2009-12-09 08:24:25 +0100 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2009-12-09 08:24:57 +0100 |
| commit | 4c68db38c85188824b21698842b42a62b4f78657 (patch) | |
| tree | 3ee1c3b22af6713adf669a3bb452ce82bc7fe495 /security/tomoyo/realpath.c | |
| parent | 5c0e9f28da84c68ce0ae68b7a75faaf862e156e2 (diff) | |
| parent | 2b876f95d03e226394b5d360c86127cbefaf614b (diff) | |
Merge branch 'linus' into x86/urgent
Merge reason: We want to queue up a dependent patch.
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'security/tomoyo/realpath.c')
| -rw-r--r-- | security/tomoyo/realpath.c | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/security/tomoyo/realpath.c b/security/tomoyo/realpath.c index 917f564cdab..18369d497eb 100644 --- a/security/tomoyo/realpath.c +++ b/security/tomoyo/realpath.c @@ -110,6 +110,15 @@ int tomoyo_realpath_from_path2(struct path *path, char *newname, spin_unlock(&dcache_lock); path_put(&root); path_put(&ns_root); + /* Prepend "/proc" prefix if using internal proc vfs mount. */ + if (!IS_ERR(sp) && (path->mnt->mnt_parent == path->mnt) && + (strcmp(path->mnt->mnt_sb->s_type->name, "proc") == 0)) { + sp -= 5; + if (sp >= newname) + memcpy(sp, "/proc", 5); + else + sp = ERR_PTR(-ENOMEM); + } } if (IS_ERR(sp)) error = PTR_ERR(sp); |