From: Al Viro <viro@xxxxxxxxxxxxxxxxxx>
make get_link() increment nd->depth on successful exit
Signed-off-by: Al Viro <viro@xxxxxxxxxxxxxxxxxx>
---
fs/namei.c | 5 ++---
1 file changed, 2 insertions(+), 3 deletions(-)
diff --git a/fs/namei.c b/fs/namei.c
index 5753f46..93b5f73 100644
--- a/fs/namei.c
+++ b/fs/namei.c
@@ -918,8 +918,10 @@ const char *get_link(struct nameidata *nd)
out:
path_put(&nd->path);
path_put(&last->link);
+ return res;
}
}
+ nd->depth++;
return res;
}
@@ -1830,11 +1832,9 @@ Walked:
}
s = get_link(nd);
- nd->depth++;
if (unlikely(IS_ERR(s))) {
err = PTR_ERR(s);
- nd->depth--;
goto Err;
}
err = 0;
@@ -2009,7 +2009,6 @@ static int trailing_symlink(struct nameidata *nd)
s = get_link(nd);
if (unlikely(IS_ERR(s)))
return PTR_ERR(s);
- nd->depth++;
if (unlikely(!s)) {
nd->depth--;
return 0;
--
2.1.4
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