Messages in this thread Patch in this message | | | From | Jia-Ju Bai <> | Subject | [PATCH] igb: Fix a deadlock in igb_sriov_reinit | Date | Mon, 3 Aug 2015 11:36:26 +0800 |
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When igb_init_interrupt_scheme in igb_sriov_reinit is failed, the lock acquired by rtnl_lock() is not released, which causes a deadlock. This patch adds rtnl_unlock() in error handling to fix it.
Signed-off-by: Jia-Ju Bai <baijiaju1990@163.com> --- drivers/net/ethernet/intel/igb/igb_main.c | 1 + 1 file changed, 1 insertion(+)
diff --git a/drivers/net/ethernet/intel/igb/igb_main.c b/drivers/net/ethernet/intel/igb/igb_main.c index 2f70a9b..311d1ca 100644 --- a/drivers/net/ethernet/intel/igb/igb_main.c +++ b/drivers/net/ethernet/intel/igb/igb_main.c @@ -7539,6 +7539,7 @@ static int igb_sriov_reinit(struct pci_dev *dev) if (igb_init_interrupt_scheme(adapter, true)) { dev_err(&pdev->dev, "Unable to allocate memory for queues\n"); + rtnl_unlock(); return -ENOMEM; } -- 1.7.9.5
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