Haiyang Zhang
2010-May-13 15:56 UTC
[PATCH 1/1] staging: hv: Fix error checking in channel.c
From: Haiyang Zhang <haiyangz at microsoft.com> Subject: staging: hv: Fix error checking in channel.c Fixed errors in return value checking code, which caused vmbus channel not functioning. Cc: Greg Kroah-Hartman <gregkh at suse.de> Signed-off-by: Haiyang Zhang <haiyangz at microsoft.com> Signed-off-by: Hank Janssen <hjanssen at microsoft.com> --- drivers/staging/hv/channel.c | 8 ++++---- 1 files changed, 4 insertions(+), 4 deletions(-) diff --git a/drivers/staging/hv/channel.c b/drivers/staging/hv/channel.c index 12c351e..f047c5a 100644 --- a/drivers/staging/hv/channel.c +++ b/drivers/staging/hv/channel.c @@ -204,13 +204,13 @@ int VmbusChannelOpen(struct vmbus_channel *NewChannel, u32 SendRingBufferSize, RecvRingBufferSize) >> PAGE_SHIFT; ret = RingBufferInit(&NewChannel->Outbound, out, SendRingBufferSize); - if (!ret) { + if (ret != 0) { err = ret; goto errorout; } ret = RingBufferInit(&NewChannel->Inbound, in, RecvRingBufferSize); - if (!ret) { + if (ret != 0) { err = ret; goto errorout; } @@ -228,7 +228,7 @@ int VmbusChannelOpen(struct vmbus_channel *NewChannel, u32 SendRingBufferSize, RecvRingBufferSize, &NewChannel->RingBufferGpadlHandle); - if (!ret) { + if (ret != 0) { err = ret; goto errorout; } @@ -569,7 +569,7 @@ int VmbusChannelEstablishGpadl(struct vmbus_channel *Channel, void *Kbuffer, ret = VmbusPostMessage(gpadlBody, subMsgInfo->MessageSize - sizeof(*subMsgInfo)); - if (!ret) + if (ret != 0) goto Cleanup; } -- 1.6.3.2 -------------- next part -------------- A non-text attachment was scrubbed... Name: 0513-Fix-error-checking-in-channel.c.patch Type: application/octet-stream Size: 1558 bytes Desc: 0513-Fix-error-checking-in-channel.c.patch Url : http://lists.linux-foundation.org/pipermail/virtualization/attachments/20100513/a4d187ad/attachment.obj
On Thu, May 13, 2010 at 03:56:30PM +0000, Haiyang Zhang wrote:> From: Haiyang Zhang <haiyangz at microsoft.com> > > Subject: staging: hv: Fix error checking in channel.c > Fixed errors in return value checking code, which caused vmbus channel > not functioning.Doh, sorry about that. Bill, be a bit more careful in the future please, this came in on your ASSERT cleanup patch. thanks, greg k-h> --- > drivers/staging/hv/channel.c | 8 ++++---- > 1 files changed, 4 insertions(+), 4 deletions(-) > > diff --git a/drivers/staging/hv/channel.c b/drivers/staging/hv/channel.c > index 12c351e..f047c5a 100644 > --- a/drivers/staging/hv/channel.c > +++ b/drivers/staging/hv/channel.c > @@ -204,13 +204,13 @@ int VmbusChannelOpen(struct vmbus_channel *NewChannel, u32 SendRingBufferSize, > RecvRingBufferSize) >> PAGE_SHIFT; > > ret = RingBufferInit(&NewChannel->Outbound, out, SendRingBufferSize); > - if (!ret) { > + if (ret != 0) { > err = ret; > goto errorout; > } > > ret = RingBufferInit(&NewChannel->Inbound, in, RecvRingBufferSize); > - if (!ret) { > + if (ret != 0) { > err = ret; > goto errorout; > } > @@ -228,7 +228,7 @@ int VmbusChannelOpen(struct vmbus_channel *NewChannel, u32 SendRingBufferSize, > RecvRingBufferSize, > &NewChannel->RingBufferGpadlHandle); > > - if (!ret) { > + if (ret != 0) { > err = ret; > goto errorout; > } > @@ -569,7 +569,7 @@ int VmbusChannelEstablishGpadl(struct vmbus_channel *Channel, void *Kbuffer, > ret = VmbusPostMessage(gpadlBody, > subMsgInfo->MessageSize - > sizeof(*subMsgInfo)); > - if (!ret) > + if (ret != 0) > goto Cleanup; > > } > -- > 1.6.3.2 >