vfs: clarify and clean up dentry_cmp()

It did some odd things for unclear reasons.  As this is one of the
functions that gets changed when doing word-at-a-time compares, this is
yet another of the "don't change any semantics, but clean things up so
that subsequent patches don't get obscured by the cleanups".

Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

1 files changed, 4 insertions, 5 deletions

diff --git a/include/linux/dcache.h b/include/linux/dcache.h
index f1c7eb8461be..4270bedd2308 100644
--- a/include/linux/dcache.h
+++ b/include/linux/dcache.h
@@ -54,18 +54,17 @@ extern struct dentry_stat_t dentry_stat;
 static inline int dentry_cmp(const unsigned char *cs, size_t scount,
                                 const unsigned char *ct, size_t tcount)
 {
-        int ret;
         if (scount != tcount)
                 return 1;
+
         do {
-                ret = (*cs != *ct);
-                if (ret)
-                        break;
+                if (*cs != *ct)
+                        return 1;
                 cs++;
                 ct++;
                 tcount--;
         } while (tcount);
-        return ret;
+        return 0;
 }
 
 /* Name hashing routines. Initial hash value */