From 4d7b6b5d247aa71ea27709b9eac1ba6e752fbe87 Mon Sep 17 00:00:00 2001 From: Ron Mercer Date: Sat, 11 Dec 2010 11:06:50 +0000 Subject: qlge: Fix deadlock when cancelling worker. Removing usage of rtnl_lock() to protect firmware interface registers. These registers are accessed in some worker threads and can create a deadlock if rtnl_lock is taken by upper layers while the worker is still pending. We remove rtnl_lock and use a driver mutex just while mailboxes are accessed. Signed-off-by: Ron Mercer Signed-off-by: David S. Miller --- drivers/net/qlge/qlge_main.c | 1 + 1 file changed, 1 insertion(+) (limited to 'drivers/net/qlge/qlge_main.c') diff --git a/drivers/net/qlge/qlge_main.c b/drivers/net/qlge/qlge_main.c index 528eaef5308f..2555b1d34f34 100644 --- a/drivers/net/qlge/qlge_main.c +++ b/drivers/net/qlge/qlge_main.c @@ -4629,6 +4629,7 @@ static int __devinit ql_init_device(struct pci_dev *pdev, INIT_DELAYED_WORK(&qdev->mpi_idc_work, ql_mpi_idc_work); INIT_DELAYED_WORK(&qdev->mpi_core_to_log, ql_mpi_core_to_log); init_completion(&qdev->ide_completion); + mutex_init(&qdev->mpi_mutex); if (!cards_found) { dev_info(&pdev->dev, "%s\n", DRV_STRING); -- cgit v1.2.3