From: David Kershner <david.kershner@xxxxxxxxxx>
A visorchannel associated with a device should have its writing to
the channel protected by a lock.
Fixes: b32c4997c ('staging: unisys: Move channel creation up the stack')
Signed-off-by: Tim Sell <Timothy.Sell@xxxxxxxxxx>
Signed-off-by: Benjamin Romer <benjamin.romer@xxxxxxxxxx>
Signed-off-by: David Kershner <david.kershner@xxxxxxxxxx>
---
drivers/staging/unisys/visorbus/visorchipset.c | 9 +++++----
1 file changed, 5 insertions(+), 4 deletions(-)
diff --git a/drivers/staging/unisys/visorbus/visorchipset.c b/drivers/staging/unisys/visorbus/visorchipset.c
index 4be9318..fb08f95 100644
--- a/drivers/staging/unisys/visorbus/visorchipset.c
+++ b/drivers/staging/unisys/visorbus/visorchipset.c
@@ -1247,10 +1247,11 @@ my_device_create(struct controlvm_message *inmsg)
POSTCODE_LINUX_4(DEVICE_CREATE_ENTRY_PC, dev_no, bus_no,
POSTCODE_SEVERITY_INFO);
- visorchannel = visorchannel_create(cmd->create_device.channel_addr,
- cmd->create_device.channel_bytes,
- GFP_KERNEL,
- cmd->create_device.data_type_uuid);
+ visorchannel =
+ visorchannel_create_with_lock(cmd->create_device.channel_addr,
+ cmd->create_device.channel_bytes,
+ GFP_KERNEL,
+ cmd->create_device.data_type_uuid);
if (!visorchannel) {
POSTCODE_LINUX_4(DEVICE_CREATE_FAILURE_PC, dev_no, bus_no,
--
2.1.4
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