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staging: dgap: Simplify dgap_find_config 

Simplify ugly dgap_find_config function

Signed-off-by: Mark Hounschell <markh@compro.net>
Tested-by: Mark Hounschell <markh@compro.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Mark Hounschell 2014-05-28 16:17:55 -04:00 committed by Greg Kroah-Hartman
parent 9a133a9039
commit 0be048cbc6
1 changed files with 40 additions and 38 deletions
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78
drivers/staging/dgap/dgap.c
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@ -7354,51 +7354,53 @@ static struct cnode *dgap_find_config(int type, int bus, int slot)
prev = p;
p = p->next;
if (p->type == BNODE) {
if (p->type != BNODE)
continue;
if (p->u.board.type == type) {
if (p->u.board.type != type)
continue;
if (p->u.board.v_pcibus &&
p->u.board.pcibus != bus)
continue;
if (p->u.board.v_pcislot &&
p->u.board.pcislot != slot)
continue;
if (p->u.board.v_pcibus &&
p->u.board.pcibus != bus)
continue;
found = p;
/*
* Keep walking thru the list till we
* find the next board.
*/
while (p->next) {
prev2 = p;
p = p->next;
if (p->type == BNODE) {
if (p->u.board.v_pcislot &&
p->u.board.pcislot != slot)
continue;
/*
* Mark the end of our 1 board
* chain of configs.
*/
prev2->next = NULL;
found = p;
/*
* Keep walking thru the list till we
* find the next board.
*/
while (p->next) {
prev2 = p;
p = p->next;
/*
* Link the "next" board to the
* previous board, effectively
* "unlinking" our board from
* the main config.
*/
prev->next = p;
if (p->type != BNODE)
continue;
return found;
}
}
/*
* It must be the last board in the list.
*/
prev->next = NULL;
return found;
}
/*
* Mark the end of our 1 board
* chain of configs.
*/
prev2->next = NULL;
/*
* Link the "next" board to the
* previous board, effectively
* "unlinking" our board from
* the main config.
*/
prev->next = p;
return found;
}
/*
* It must be the last board in the list.
*/
prev->next = NULL;
return found;
}
return NULL;
}