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

From: kys
Date: Fri Mar 24 2017 - 14:08:51 EST


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