From: David Kershner Date: Tue, 14 Jul 2015 18:43:29 +0000 (-0400) Subject: staging: unisys: Lock visorchannels associated with devices X-Git-Tag: firefly_0821_release~176^2~1221^2~658 X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=a3ef1a8e93912396f3bd46d579c9241c399de530;p=firefly-linux-kernel-4.4.55.git staging: unisys: Lock visorchannels associated with devices 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 Signed-off-by: Benjamin Romer Signed-off-by: David Kershner Signed-off-by: Greg Kroah-Hartman --- diff --git a/drivers/staging/unisys/visorbus/visorchipset.c b/drivers/staging/unisys/visorbus/visorchipset.c index 4be931844052..fb08f9523ab3 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,