From: Alexander Lobakin alobakin@marvell.com
[ Upstream commit 4079c7f7a2a00ab403c177ce723b560de59139c3 ]
Set rdma_wq pointer to NULL after destroying the workqueue and check for it when adding new events to fix crashes on driver unload.
Fixes: cee9fbd8e2e9 ("qede: Add qedr framework") Signed-off-by: Alexander Lobakin alobakin@marvell.com Signed-off-by: Igor Russkikh irusskikh@marvell.com Signed-off-by: Michal Kalderon michal.kalderon@marvell.com Signed-off-by: David S. Miller davem@davemloft.net Signed-off-by: Sasha Levin sashal@kernel.org --- drivers/net/ethernet/qlogic/qede/qede_rdma.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/drivers/net/ethernet/qlogic/qede/qede_rdma.c b/drivers/net/ethernet/qlogic/qede/qede_rdma.c index 2d873ae8a234d..668ccc9d49f83 100644 --- a/drivers/net/ethernet/qlogic/qede/qede_rdma.c +++ b/drivers/net/ethernet/qlogic/qede/qede_rdma.c @@ -105,6 +105,7 @@ static void qede_rdma_destroy_wq(struct qede_dev *edev)
qede_rdma_cleanup_event(edev); destroy_workqueue(edev->rdma_info.rdma_wq); + edev->rdma_info.rdma_wq = NULL; }
int qede_rdma_dev_add(struct qede_dev *edev, bool recovery) @@ -325,7 +326,7 @@ static void qede_rdma_add_event(struct qede_dev *edev, if (edev->rdma_info.exp_recovery) return;
- if (!edev->rdma_info.qedr_dev) + if (!edev->rdma_info.qedr_dev || !edev->rdma_info.rdma_wq) return;
/* We don't want the cleanup flow to start while we're allocating and