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authorIngo Molnar <mingo@elte.hu>2010-09-15 04:27:31 -0400
committerIngo Molnar <mingo@elte.hu>2010-09-15 04:27:31 -0400
commit3aabae7d9dfaed60effe93662f02c19bafc18537 (patch)
treeaf94cdd69add07601d9f3f5988dfc1dc255e3886 /drivers/firewire/core-transaction.c
parent79e406d7b00ab2b261ae32a59f266fd3b7af6f29 (diff)
parent57c072c7113f54f9512624d6c665db6184448782 (diff)
Merge branch 'tip/perf/core' of git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-2.6-trace into perf/core
Diffstat (limited to 'drivers/firewire/core-transaction.c')
-rw-r--r--drivers/firewire/core-transaction.c13
1 files changed, 10 insertions, 3 deletions
diff --git a/drivers/firewire/core-transaction.c b/drivers/firewire/core-transaction.c
index ca7ca56661e0..b42a0bde8494 100644
--- a/drivers/firewire/core-transaction.c
+++ b/drivers/firewire/core-transaction.c
@@ -81,6 +81,10 @@ static int close_transaction(struct fw_transaction *transaction,
81 spin_lock_irqsave(&card->lock, flags); 81 spin_lock_irqsave(&card->lock, flags);
82 list_for_each_entry(t, &card->transaction_list, link) { 82 list_for_each_entry(t, &card->transaction_list, link) {
83 if (t == transaction) { 83 if (t == transaction) {
84 if (!del_timer(&t->split_timeout_timer)) {
85 spin_unlock_irqrestore(&card->lock, flags);
86 goto timed_out;
87 }
84 list_del_init(&t->link); 88 list_del_init(&t->link);
85 card->tlabel_mask &= ~(1ULL << t->tlabel); 89 card->tlabel_mask &= ~(1ULL << t->tlabel);
86 break; 90 break;
@@ -89,11 +93,11 @@ static int close_transaction(struct fw_transaction *transaction,
89 spin_unlock_irqrestore(&card->lock, flags); 93 spin_unlock_irqrestore(&card->lock, flags);
90 94
91 if (&t->link != &card->transaction_list) { 95 if (&t->link != &card->transaction_list) {
92 del_timer_sync(&t->split_timeout_timer);
93 t->callback(card, rcode, NULL, 0, t->callback_data); 96 t->callback(card, rcode, NULL, 0, t->callback_data);
94 return 0; 97 return 0;
95 } 98 }
96 99
100 timed_out:
97 return -ENOENT; 101 return -ENOENT;
98} 102}
99 103
@@ -921,6 +925,10 @@ void fw_core_handle_response(struct fw_card *card, struct fw_packet *p)
921 spin_lock_irqsave(&card->lock, flags); 925 spin_lock_irqsave(&card->lock, flags);
922 list_for_each_entry(t, &card->transaction_list, link) { 926 list_for_each_entry(t, &card->transaction_list, link) {
923 if (t->node_id == source && t->tlabel == tlabel) { 927 if (t->node_id == source && t->tlabel == tlabel) {
928 if (!del_timer(&t->split_timeout_timer)) {
929 spin_unlock_irqrestore(&card->lock, flags);
930 goto timed_out;
931 }
924 list_del_init(&t->link); 932 list_del_init(&t->link);
925 card->tlabel_mask &= ~(1ULL << t->tlabel); 933 card->tlabel_mask &= ~(1ULL << t->tlabel);
926 break; 934 break;
@@ -929,6 +937,7 @@ void fw_core_handle_response(struct fw_card *card, struct fw_packet *p)
929 spin_unlock_irqrestore(&card->lock, flags); 937 spin_unlock_irqrestore(&card->lock, flags);
930 938
931 if (&t->link == &card->transaction_list) { 939 if (&t->link == &card->transaction_list) {
940 timed_out:
932 fw_notify("Unsolicited response (source %x, tlabel %x)\n", 941 fw_notify("Unsolicited response (source %x, tlabel %x)\n",
933 source, tlabel); 942 source, tlabel);
934 return; 943 return;
@@ -963,8 +972,6 @@ void fw_core_handle_response(struct fw_card *card, struct fw_packet *p)
963 break; 972 break;
964 } 973 }
965 974
966 del_timer_sync(&t->split_timeout_timer);
967
968 /* 975 /*
969 * The response handler may be executed while the request handler 976 * The response handler may be executed while the request handler
970 * is still pending. Cancel the request handler. 977 * is still pending. Cancel the request handler.