From 33d426a957dfc9bea13c4e05d0319b1d0a854586 Mon Sep 17 00:00:00 2001 From: Stephen Hemminger Date: Thu, 5 Oct 2017 17:35:05 -0700 Subject: vmbus: initialize reserved fields in messages Make sure and initialize reserved fields in messages to host, rather than passing stack junk. Signed-off-by: Stephen Hemminger Signed-off-by: K. Y. Srinivasan Signed-off-by: Greg Kroah-Hartman --- drivers/hv/channel.c | 2 ++ 1 file changed, 2 insertions(+) (limited to 'drivers/hv') diff --git a/drivers/hv/channel.c b/drivers/hv/channel.c index 894b67ac2cae..a406beb10dd0 100644 --- a/drivers/hv/channel.c +++ b/drivers/hv/channel.c @@ -745,6 +745,7 @@ int vmbus_sendpacket_pagebuffer(struct vmbus_channel *channel, desc.dataoffset8 = descsize >> 3; /* in 8-bytes granularity */ desc.length8 = (u16)(packetlen_aligned >> 3); desc.transactionid = requestid; + desc.reserved = 0; desc.rangecount = pagecount; for (i = 0; i < pagecount; i++) { @@ -788,6 +789,7 @@ int vmbus_sendpacket_mpb_desc(struct vmbus_channel *channel, desc->dataoffset8 = desc_size >> 3; /* in 8-bytes granularity */ desc->length8 = (u16)(packetlen_aligned >> 3); desc->transactionid = requestid; + desc->reserved = 0; desc->rangecount = 1; bufferlist[0].iov_base = desc; -- cgit v1.2.3