From ade91f8ec92da43b62b0efaa854cfd4b5ec0c0c9 Mon Sep 17 00:00:00 2001 From: Amit Kumar Salecha Date: Thu, 22 Apr 2010 02:51:39 +0000 Subject: [PATCH] qlcnic: fix pci semaphore checks Driver should not go ahead with fw recovery if fails to acquire semaphore. Signed-off-by: Amit Kumar Salecha Signed-off-by: David S. Miller --- drivers/net/qlcnic/qlcnic_main.c | 11 +++++++---- 1 file changed, 7 insertions(+), 4 deletions(-) diff --git a/drivers/net/qlcnic/qlcnic_main.c b/drivers/net/qlcnic/qlcnic_main.c index 3c8a963f68a9..bfc551029537 100644 --- a/drivers/net/qlcnic/qlcnic_main.c +++ b/drivers/net/qlcnic/qlcnic_main.c @@ -1949,8 +1949,8 @@ static void qlcnic_poll_controller(struct net_device *netdev) } #endif -static void -qlcnic_set_drv_state(struct qlcnic_adapter *adapter, int state) +static int +qlcnic_set_drv_state(struct qlcnic_adapter *adapter, u8 state) { u32 val; @@ -1958,7 +1958,7 @@ qlcnic_set_drv_state(struct qlcnic_adapter *adapter, int state) state != QLCNIC_DEV_NEED_QUISCENT); if (qlcnic_api_lock(adapter)) - return ; + return -EIO; val = QLCRD32(adapter, QLCNIC_CRB_DRV_STATE); @@ -1970,6 +1970,8 @@ qlcnic_set_drv_state(struct qlcnic_adapter *adapter, int state) QLCWR32(adapter, QLCNIC_CRB_DRV_STATE, val); qlcnic_api_unlock(adapter); + + return 0; } static int @@ -2195,7 +2197,8 @@ qlcnic_detach_work(struct work_struct *work) if (adapter->temp == QLCNIC_TEMP_PANIC) goto err_ret; - qlcnic_set_drv_state(adapter, adapter->dev_state); + if (qlcnic_set_drv_state(adapter, adapter->dev_state)) + goto err_ret; adapter->fw_wait_cnt = 0;