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-rw-r--r--fs/dcache.c12
1 files changed, 9 insertions, 3 deletions
diff --git a/fs/dcache.c b/fs/dcache.c
index 995d08069d26..f1809e6b9fda 100644
--- a/fs/dcache.c
+++ b/fs/dcache.c
@@ -1970,9 +1970,15 @@ out:
return retval;
global_root:
- retval += 1; /* hit the slash */
- if (prepend_name(&retval, &buflen, &dentry->d_name) != 0)
- goto Elong;
+ /*
+ * Filesystems needing to implement special "root names"
+ * should do so with ->d_dname()
+ */
+ if (IS_ROOT(dentry) &&
+ (dentry->d_name.len != 1 || dentry->d_name.name[0] != '/')) {
+ WARN(1, "Root dentry has weird name <%.*s>\n",
+ (int) dentry->d_name.len, dentry->d_name.name);
+ }
root->mnt = vfsmnt;
root->dentry = dentry;
goto out;