Staging: hv: test return value of VmbusChannelEstablishGpadl()
The return value of VmbusChannelEstablishGpadl() was not examined in Channel.c Signed-off-by: Bill Pemberton <wfp5p@virginia.edu> Cc: Hank Janssen <hjanssen@microsoft.com> Cc: Haiyang Zhang <haiyangz@microsoft.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
This commit is contained in:
parent
99259159c0
commit
b94ef345b2
1 changed files with 8 additions and 3 deletions
|
@ -175,7 +175,7 @@ int VmbusChannelOpen(struct vmbus_channel *NewChannel, u32 SendRingBufferSize,
|
|||
void (*OnChannelCallback)(void *context), void *Context)
|
||||
{
|
||||
struct vmbus_channel_open_channel *openMsg;
|
||||
struct vmbus_channel_msginfo *openInfo;
|
||||
struct vmbus_channel_msginfo *openInfo = NULL;
|
||||
void *in, *out;
|
||||
unsigned long flags;
|
||||
int ret, err = 0;
|
||||
|
@ -218,7 +218,11 @@ int VmbusChannelOpen(struct vmbus_channel *NewChannel, u32 SendRingBufferSize,
|
|||
SendRingBufferSize +
|
||||
RecvRingBufferSize,
|
||||
&NewChannel->RingBufferGpadlHandle);
|
||||
/* FIXME: the value of ret is not checked */
|
||||
|
||||
if (!ret) {
|
||||
err = ret;
|
||||
goto errorout;
|
||||
}
|
||||
|
||||
DPRINT_DBG(VMBUS, "channel %p <relid %d gpadl 0x%x send ring %p "
|
||||
"size %d recv ring %p size %d, downstreamoffset %d>",
|
||||
|
@ -250,7 +254,6 @@ int VmbusChannelOpen(struct vmbus_channel *NewChannel, u32 SendRingBufferSize,
|
|||
openMsg->OpenId = NewChannel->OfferMsg.ChildRelId; /* FIXME */
|
||||
openMsg->ChildRelId = NewChannel->OfferMsg.ChildRelId;
|
||||
openMsg->RingBufferGpadlHandle = NewChannel->RingBufferGpadlHandle;
|
||||
ASSERT(openMsg->RingBufferGpadlHandle);
|
||||
openMsg->DownstreamRingBufferPageOffset = SendRingBufferSize >>
|
||||
PAGE_SHIFT;
|
||||
openMsg->ServerContextAreaGpadlHandle = 0; /* TODO */
|
||||
|
@ -295,6 +298,8 @@ int VmbusChannelOpen(struct vmbus_channel *NewChannel, u32 SendRingBufferSize,
|
|||
return 0;
|
||||
|
||||
errorout:
|
||||
RingBufferCleanup(&NewChannel->Outbound);
|
||||
RingBufferCleanup(&NewChannel->Inbound);
|
||||
osd_PageFree(out, (SendRingBufferSize + RecvRingBufferSize)
|
||||
>> PAGE_SHIFT);
|
||||
kfree(openInfo);
|
||||
|
|
Loading…
Reference in a new issue