Messages in this thread Patch in this message | | | From | Greg Kroah-Hartman <> | Subject | [PATCH 4.19 078/321] RDMA/vmw_pvrdma: Use atomic memory allocation in create AH | Date | Tue, 3 Dec 2019 23:32:24 +0100 |
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From: Gal Pressman <galpress@amazon.com>
[ Upstream commit a276a4d93bf1580d737f38d1810e5f4b166f3edd ]
Create address handle callback should not sleep, use GFP_ATOMIC instead of GFP_KERNEL for memory allocation.
Fixes: 29c8d9eba550 ("IB: Add vmw_pvrdma driver") Cc: Adit Ranadive <aditr@vmware.com> Signed-off-by: Gal Pressman <galpress@amazon.com> Reviewed-by: Yuval Shaia <yuval.shaia@oracle.com> Signed-off-by: Jason Gunthorpe <jgg@mellanox.com> Signed-off-by: Sasha Levin <sashal@kernel.org> --- drivers/infiniband/hw/vmw_pvrdma/pvrdma_verbs.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/infiniband/hw/vmw_pvrdma/pvrdma_verbs.c b/drivers/infiniband/hw/vmw_pvrdma/pvrdma_verbs.c index b65d10b0a8759..f4cb5cf26006f 100644 --- a/drivers/infiniband/hw/vmw_pvrdma/pvrdma_verbs.c +++ b/drivers/infiniband/hw/vmw_pvrdma/pvrdma_verbs.c @@ -555,7 +555,7 @@ struct ib_ah *pvrdma_create_ah(struct ib_pd *pd, struct rdma_ah_attr *ah_attr, if (!atomic_add_unless(&dev->num_ahs, 1, dev->dsr->caps.max_ah)) return ERR_PTR(-ENOMEM); - ah = kzalloc(sizeof(*ah), GFP_KERNEL); + ah = kzalloc(sizeof(*ah), GFP_ATOMIC); if (!ah) { atomic_dec(&dev->num_ahs); return ERR_PTR(-ENOMEM); -- 2.20.1
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