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PCI: hv: Allocate interrupt descriptors with GFP_ATOMIC

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The memory allocation here needs to be non-blocking.  Fix the issue.

Signed-off-by: K. Y. Srinivasan <kys@microsoft.com>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Reviewed-by: Long Li <longli@microsoft.com>
Cc: <stable@vger.kernel.org>
This commit is contained in:
K. Y. Srinivasan 2017-03-24 11:07:22 -07:00 committed by Bjorn Helgaas
parent 433fcf6b7b
commit 59c58ceeea
1 changed files with 1 additions and 1 deletions
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2
drivers/pci/host/pci-hyperv.c
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@ -878,7 +878,7 @@ static void hv_compose_msi_msg(struct irq_data *data, struct msi_msg *msg)
hv_int_desc_free(hpdev, int_desc);
}
int_desc = kzalloc(sizeof(*int_desc), GFP_KERNEL);
int_desc = kzalloc(sizeof(*int_desc), GFP_ATOMIC);
if (!int_desc)
goto drop_reference;