[54/79] link_path_walk: nd->depth massage, part 3
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Message ID 1430803373-4948-54-git-send-email-viro@ZenIV.linux.org.uk
State New
Headers show

Commit Message

Al Viro May 5, 2015, 5:22 a.m. UTC
From: Al Viro <viro@zeniv.linux.org.uk>

remove decrement/increment surrounding nd_alloc_stack(), adjust the
test in it.

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
---
 fs/namei.c | 4 +---
 1 file changed, 1 insertion(+), 3 deletions(-)

Patch
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diff --git a/fs/namei.c b/fs/namei.c
index d8ad004..0d1fcaf 100644
--- a/fs/namei.c
+++ b/fs/namei.c
@@ -539,7 +539,7 @@  static int __nd_alloc_stack(struct nameidata *nd)
 
 static inline int nd_alloc_stack(struct nameidata *nd)
 {
-	if (likely(nd->depth != EMBEDDED_LEVELS - 1))
+	if (likely(nd->depth != EMBEDDED_LEVELS))
 		return 0;
 	if (likely(nd->stack != nd->internal))
 		return 0;
@@ -1816,9 +1816,7 @@  Walked:
 		if (err) {
 			const char *s;
 
-			nd->depth--;
 			err = nd_alloc_stack(nd);
-			nd->depth++;
 			if (unlikely(err)) {
 				path_to_nameidata(&nd->link, nd);
 				break;