---

yaml --- r: 298375 b: refs/heads/master c: d774a05 h: refs/heads/master i: 298373: a5a3b47 298371: c1a8887 298367: 82e8cc8 v: v3
git-mirror · Mar 31, 2012 · 8a682ae · 8a682ae
1 parent c7b1a00
commit 8a682ae
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Showing 2 changed files with 21 additions and 26 deletions.
diff --git a/[refs] b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 08b0ab7c20f767187ae635d51bdd9d262ebe8357
+refs/heads/master: d774a058d94d6b0dafada2295ec5221481b07d16
diff --git a/trunk/fs/namei.c b/trunk/fs/namei.c
@@ -1174,39 +1174,34 @@ static int do_lookup(struct nameidata *nd, struct qstr *name,
 
 		mutex_lock(&dir->i_mutex);
 		dentry = d_lookup(parent, name);
-		if (likely(!dentry)) {
-			dentry = d_alloc_and_lookup(parent, name, nd);
-			if (IS_ERR(dentry)) {
-				mutex_unlock(&dir->i_mutex);
-				return PTR_ERR(dentry);
-			}
-			/* known good */
-			status = 1;
-		} else if (unlikely(d_need_lookup(dentry))) {
+		if (dentry && d_need_lookup(dentry)) {
 			dentry = d_inode_lookup(parent, dentry, nd);
 			if (IS_ERR(dentry)) {
 				mutex_unlock(&dir->i_mutex);
 				return PTR_ERR(dentry);
 			}
-			/* known good */
-			status = 1;
-		} else if (unlikely(dentry->d_flags & DCACHE_OP_REVALIDATE))
+		} else if (dentry && (dentry->d_flags & DCACHE_OP_REVALIDATE)) {
 			status = d_revalidate(dentry, nd);
-		if (unlikely(status <= 0)) {
-			if (status < 0) {
-				mutex_unlock(&dir->i_mutex);
-				dput(dentry);
-				return status;
-			}
-			if (!d_invalidate(dentry)) {
-				dput(dentry);
-				dentry = d_alloc_and_lookup(parent, name, nd);
-				if (IS_ERR(dentry)) {
+			if (unlikely(status <= 0)) {
+				if (status < 0) {
 					mutex_unlock(&dir->i_mutex);
-					return PTR_ERR(dentry);
+					dput(dentry);
+					return status;
 				}
-				/* known good */
-				status = 1;
+				if (!d_invalidate(dentry)) {
+					dput(dentry);
+					dentry = d_alloc_and_lookup(parent, name, nd);
+					if (IS_ERR(dentry)) {
+						mutex_unlock(&dir->i_mutex);
+						return PTR_ERR(dentry);
+					}
+				}
+			}
+		} else if (!dentry) {
+			dentry = d_alloc_and_lookup(parent, name, nd);
+			if (IS_ERR(dentry)) {
+				mutex_unlock(&dir->i_mutex);
+				return PTR_ERR(dentry);
 			}
 		}
 		mutex_unlock(&dir->i_mutex);