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-rw-r--r--fs/dcache.c12
1 files changed, 7 insertions, 5 deletions
diff --git a/fs/dcache.c b/fs/dcache.c
index c4c9072d810..2b479de10a0 100644
--- a/fs/dcache.c
+++ b/fs/dcache.c
@@ -1782,6 +1782,7 @@ char *__d_path(const struct path *path, struct path *root,
char * end = buffer+buflen;
char * retval;
+ spin_lock(&vfsmount_lock);
prepend(&end, &buflen, "\0", 1);
if (!IS_ROOT(dentry) && d_unhashed(dentry) &&
(prepend(&end, &buflen, " (deleted)", 10) != 0))
@@ -1800,14 +1801,11 @@ char *__d_path(const struct path *path, struct path *root,
break;
if (dentry == vfsmnt->mnt_root || IS_ROOT(dentry)) {
/* Global root? */
- spin_lock(&vfsmount_lock);
if (vfsmnt->mnt_parent == vfsmnt) {
- spin_unlock(&vfsmount_lock);
goto global_root;
}
dentry = vfsmnt->mnt_mountpoint;
vfsmnt = vfsmnt->mnt_parent;
- spin_unlock(&vfsmount_lock);
continue;
}
parent = dentry->d_parent;
@@ -1820,6 +1818,8 @@ char *__d_path(const struct path *path, struct path *root,
dentry = parent;
}
+out:
+ spin_unlock(&vfsmount_lock);
return retval;
global_root:
@@ -1829,9 +1829,11 @@ global_root:
goto Elong;
root->mnt = vfsmnt;
root->dentry = dentry;
- return retval;
+ goto out;
+
Elong:
- return ERR_PTR(-ENAMETOOLONG);
+ retval = ERR_PTR(-ENAMETOOLONG);
+ goto out;
}
/**