Commit a276a4d9 authored Dec 10, 2018 by Gal Pressman Committed by Jason Gunthorpe Dec 11, 2018

RDMA/vmw_pvrdma: Use atomic memory allocation in create AH



Create address handle callback should not sleep, use GFP_ATOMIC instead of
GFP_KERNEL for memory allocation.

Fixes: 29c8d9eb ("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>

parent 59590b8a

drivers/infiniband/hw/vmw_pvrdma/pvrdma_verbs.c

+1 −1

Original line number	Diff line number	Diff line
		@@ -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);

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