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firewire: in-code doc updates.

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Signed-off-by: Yann Dirson <ydirson@altern.org>
Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de> (update)
This commit is contained in:
Yann Dirson 2007-10-07 02:21:29 +02:00 committed by Stefan Richter
parent e5f84f82bd
commit c1b91ce491
1 changed files with 5 additions and 1 deletions
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6
drivers/firewire/fw-topology.c
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@ -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 * This function builds the tree representation of the topology given
* by the self IDs from the latest bus reset. During the construction * 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 * 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. * fw_node corresponding to the local card otherwise NULL.
*/ */
static struct fw_node *build_tree(struct fw_card *card, 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++) for (i = 0, h = &stack; i < child_port_count; i++)
h = h->prev; h = h->prev;
/*
* When the stack is empty, this yields an invalid value,
* but that pointer will never be dereferenced.
*/
child = fw_node(h); child = fw_node(h);
node = fw_node_create(q, port_count, card->color); node = fw_node_create(q, port_count, card->color);