Commit d1d63f97 authored Mar 24, 2017 by K. Y. Srinivasan Committed by Greg Kroah-Hartman May 25, 2017

PCI: hv: Allocate interrupt descriptors with GFP_ATOMIC



commit 59c58ceeea9cdc6144d7b0303753e6bd26d87455 upstream.

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>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

parent dd0023d7

drivers/pci/host/pci-hyperv.c

+1 −1

Original line number	Diff line number	Diff line
		@@ -868,7 +868,7 @@ 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;