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RDMA/vmw_pvrdma: Use atomic memory allocation in create AH

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

Fixes: 29c8d9eba5 ("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>
This commit is contained in:
Gal Pressman 2018-12-10 17:17:25 +02:00 committed by Jason Gunthorpe
parent 59590b8ad2
commit a276a4d93b
1 changed files with 1 additions and 1 deletions
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2
drivers/infiniband/hw/vmw_pvrdma/pvrdma_verbs.c
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@ -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)) if (!atomic_add_unless(&dev->num_ahs, 1, dev->dsr->caps.max_ah))
return ERR_PTR(-ENOMEM); return ERR_PTR(-ENOMEM);
ah = kzalloc(sizeof(*ah), GFP_KERNEL); ah = kzalloc(sizeof(*ah), GFP_ATOMIC);
if (!ah) { if (!ah) {
atomic_dec(&dev->num_ahs); atomic_dec(&dev->num_ahs);
return ERR_PTR(-ENOMEM); return ERR_PTR(-ENOMEM);