[PATCH 2/2] pci-hyperv: Fix an atomic bug

[kys]

From: K. Y. Srinivasan <kys@xxxxxxxxxxxxx>

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

Signed-off-by: K. Y. Srinivasan <kys@xxxxxxxxxxxxx>
Cc: <stable@xxxxxxxxxxxxxxx>
---
 drivers/pci/host/pci-hyperv.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/drivers/pci/host/pci-hyperv.c b/drivers/pci/host/pci-hyperv.c
index 32a16fb..85088a1 100644
--- a/drivers/pci/host/pci-hyperv.c
+++ b/drivers/pci/host/pci-hyperv.c
@@ -877,7 +877,7 @@ 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;
 
-- 
1.7.1