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Catch various cases in libpayload where malloc() or memalign() return NULL

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Signed-off-by: Stefan Reinauer <stepan@coresystems.de>
Acked-by: Peter Stuge <peter@stuge.se>


git-svn-id: svn://svn.coreboot.org/coreboot/trunk@4474 2b7e53f0-3cfb-0310-b3e9-8179ed1497e1
This commit is contained in:
Stefan Reinauer
2009-07-31 11:39:55 +00:00
committed by Stefan Reinauer
parent 131c0070a3
commit 5fe6e23c61
10 changed files with 62 additions and 7 deletions
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23
payloads/libpayload/drivers/usb/usb.c
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@ -33,14 +33,16 @@
hci_t *usb_hcs = 0;
hci_t *
new_controller ()
new_controller (void)
{
hci_t *controller = malloc (sizeof (hci_t));
/* atomic */
controller->next = usb_hcs;
usb_hcs = controller;
/* atomic end */
if (controller) {
/* atomic */
controller->next = usb_hcs;
usb_hcs = controller;
/* atomic end */
}
return controller;
}
@ -48,13 +50,13 @@ new_controller ()
void
detach_controller (hci_t *controller)
{
if (controller == 0)
if (controller == NULL)
return;
if (usb_hcs == controller) {
usb_hcs = controller->next;
} else {
hci_t *it = usb_hcs;
while (it != 0) {
while (it != NULL) {
if (it->next == controller) {
it->next = controller->next;
return;
@ -386,3 +388,10 @@ usb_attach_device(hci_t *controller, int hubaddress, int port, int lowspeed)
newdev_t->init (newdev_t);
return newdev;
}
void
usb_fatal (const char *message)
{
printf(message);
for (;;) ;
}