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PCI: hv: Allocate interrupt descriptors with GFP_ATOMIC

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commit 59c58ceeea 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>
This commit is contained in:
K. Y. Srinivasan
2017-03-24 11:07:22 -07:00
committed by Greg Kroah-Hartman
parent dd0023d710
commit d1d63f97dd
1 changed files with 1 additions and 1 deletions
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2
drivers/pci/host/pci-hyperv.c
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@@ -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); 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) if (!int_desc)
goto drop_reference; goto drop_reference;