From: Yann Dirson Date: Sun, 7 Oct 2007 00:21:29 +0000 (+0200) Subject: firewire: in-code doc updates. X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=c1b91ce49158d607666dbef5b8d53cd77d397589;p=linux-beck.git firewire: in-code doc updates. Signed-off-by: Yann Dirson Signed-off-by: Stefan Richter (update) --- diff --git a/drivers/firewire/fw-topology.c b/drivers/firewire/fw-topology.c index 45e6f9bfe99c..0fc9b000e99d 100644 --- a/drivers/firewire/fw-topology.c +++ b/drivers/firewire/fw-topology.c @@ -166,7 +166,7 @@ static inline struct fw_node *fw_node(struct list_head *l) * This function builds the tree representation of the topology given * by the self IDs from the latest bus reset. During the construction * of the tree, the function checks that the self IDs are valid and - * internally consistent. On succcess this funtions returns the + * internally consistent. On succcess this function returns the * fw_node corresponding to the local card otherwise NULL. */ static struct fw_node *build_tree(struct fw_card *card, @@ -215,6 +215,10 @@ static struct fw_node *build_tree(struct fw_card *card, */ for (i = 0, h = &stack; i < child_port_count; i++) h = h->prev; + /* + * When the stack is empty, this yields an invalid value, + * but that pointer will never be dereferenced. + */ child = fw_node(h); node = fw_node_create(q, port_count, card->color);