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namei: fold path_cleanup() into terminate_walk() 

they are always called next to each other; moreover,
terminate_walk() is more symmetrical that way.

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
This commit is contained in:
Al Viro 2015-05-12 17:35:52 -04:00
parent 5c31b6cedb
commit 102b8af266
1 changed files with 4 additions and 12 deletions
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16
fs/namei.c
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@ -584,6 +584,10 @@ static void terminate_walk(struct nameidata *nd)
path_put(&nd->path);
for (i = 0; i < nd->depth; i++)
path_put(&nd->stack[i].link);
if (nd->root.mnt && !(nd->flags & LOOKUP_ROOT)) {
path_put(&nd->root);
nd->root.mnt = NULL;
}
} else {
nd->flags &= ~LOOKUP_RCU;
if (!(nd->flags & LOOKUP_ROOT))
@ -2051,14 +2055,6 @@ static const char *path_init(int dfd, const struct filename *name,
return ERR_PTR(-ECHILD);
}
static void path_cleanup(struct nameidata *nd)
{
if (nd->root.mnt && !(nd->flags & LOOKUP_ROOT)) {
path_put(&nd->root);
nd->root.mnt = NULL;
}
}
static const char *trailing_symlink(struct nameidata *nd)
{
const char *s;
@ -2114,7 +2110,6 @@ static int path_lookupat(int dfd, const struct filename *name, unsigned flags,
nd->path.dentry = NULL;
}
terminate_walk(nd);
path_cleanup(nd);
return err;
}
@ -2162,7 +2157,6 @@ static int path_parentat(int dfd, const struct filename *name,
nd->path.dentry = NULL;
}
terminate_walk(nd);
path_cleanup(nd);
return err;
}
@ -2446,7 +2440,6 @@ path_mountpoint(int dfd, const struct filename *name, struct path *path,
}
}
terminate_walk(nd);
path_cleanup(nd);
return err;
}
@ -3318,7 +3311,6 @@ static struct file *path_openat(int dfd, struct filename *pathname,
}
}
terminate_walk(nd);
path_cleanup(nd);
out2:
if (!(opened & FILE_OPENED)) {
BUG_ON(!error);