From: Dexuan Cui <[mailto:decui@xxxxxxxxxxxxx]> Without this patch, the state is put to CHANNEL_OPENING_STATE, and when the driver is loaded next time, vmbus_open() will fail immediately due to newchannel->state != CHANNEL_OPEN_STATE. CC: "K. Y. Srinivasan" <kys@xxxxxxxxxxxxx> Signed-off-by: Dexuan Cui <decui@xxxxxxxxxxxxx> Reviewed-by: Jason Wang <jasowang@xxxxxxxxxx> Signed-off-by: K. Y. Srinivasan <kys@xxxxxxxxxxxxx> --- drivers/hv/channel.c | 8 +++++--- 1 files changed, 5 insertions(+), 3 deletions(-) diff --git a/drivers/hv/channel.c b/drivers/hv/channel.c index 2978f5e..26dcf26 100644 --- a/drivers/hv/channel.c +++ b/drivers/hv/channel.c @@ -89,9 +89,10 @@ int vmbus_open(struct vmbus_channel *newchannel, u32 send_ringbuffer_size, out = (void *)__get_free_pages(GFP_KERNEL|__GFP_ZERO, get_order(send_ringbuffer_size + recv_ringbuffer_size)); - if (!out) - return -ENOMEM; - + if (!out) { + err = -ENOMEM; + goto error0; + } in = (void *)((unsigned long)out + send_ringbuffer_size); @@ -199,6 +200,7 @@ error0: free_pages((unsigned long)out, get_order(send_ringbuffer_size + recv_ringbuffer_size)); kfree(open_info); + newchannel->state = CHANNEL_OPEN_STATE; return err; } EXPORT_SYMBOL_GPL(vmbus_open); -- 1.7.4.1 _______________________________________________ devel mailing list devel@xxxxxxxxxxxxxxxxxxxxxx http://driverdev.linuxdriverproject.org/mailman/listinfo/driverdev-devel
