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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 <sthemmin@microsoft.com>
Signed-off-by: K. Y. Srinivasan <kys@microsoft.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Stephen Hemminger 2017-10-05 17:35:05 -07:00 committed by Greg Kroah-Hartman
parent ad146e37d2
commit 33d426a957
1 changed files with 2 additions and 0 deletions
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2
drivers/hv/channel.c
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@ -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;