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path_openat: clean ELOOP handling a bit

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Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
This commit is contained in:
Al Viro 2011-03-09 16:22:18 -05:00
parent f374ed5fa8
commit 40b39136f0
1 changed files with 6 additions and 8 deletions
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14
fs/namei.c
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@ -2320,11 +2320,12 @@ static struct file *path_openat(int dfd, const char *pathname,
struct path link = path;
struct inode *linki = link.dentry->d_inode;
void *cookie;
error = -ELOOP;
if (!(nd.flags & LOOKUP_FOLLOW))
goto exit_dput;
if (count++ == 32)
goto exit_dput;
if (!(nd.flags & LOOKUP_FOLLOW) || count++ == 32) {
path_put_conditional(&path, &nd);
path_put(&nd.path);
filp = ERR_PTR(-ELOOP);
break;
}
/*
* This is subtle. Instead of calling do_follow_link() we do
* the thing by hands. The reason is that this way we have zero
@ -2355,9 +2356,6 @@ out:
release_open_intent(&nd);
return filp;
exit_dput:
path_put_conditional(&path, &nd);
path_put(&nd.path);
out_filp:
filp = ERR_PTR(error);
goto out;