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link_path_walk: nd->depth massage, part 3

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

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
This commit is contained in:
Al Viro 2015-05-03 20:52:15 -04:00
parent fd4620bbdf
commit da4e0be04d
1 changed files with 1 additions and 3 deletions
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4
fs/namei.c
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@ -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;
@ -1824,9 +1824,7 @@ 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;