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fix list removal while iterating over it

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matthias.ringwald 2010-07-17 16:59:35 +00:00
parent eaf0c42fae
commit 39ce35a7ca
1 changed files with 5 additions and 2 deletions
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7
src/l2cap.c
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@ -305,9 +305,12 @@ void l2cap_event_handler( uint8_t *packet, uint16_t size ){
// send l2cap disconnect events for all channels on this handle // send l2cap disconnect events for all channels on this handle
handle = READ_BT_16(packet, 3); handle = READ_BT_16(packet, 3);
linked_item_t *it; linked_item_t *it;
for (it = (linked_item_t *) l2cap_channels; it ; it = it->next){ // only access next element to allows for removal
l2cap_channel_t * channel = (l2cap_channel_t *) it; for (it = (linked_item_t *) &l2cap_channels; it ; it = it->next){
l2cap_channel_t * channel = (l2cap_channel_t *) it->next;
if ( channel->handle == handle ){ if ( channel->handle == handle ){
// update prev item before free'ing next element
it->next = it->next->next;
l2cap_finialize_channel_close(channel); l2cap_finialize_channel_close(channel);
} }
} }