Re: [PATCH V2 3/3] tuntap: don't add to waitqueue when POLLERR

2013-01-05 Thread Jason Wang
On 01/06/2013 03:37 AM, Eric Dumazet wrote: > On Sat, 2013-01-05 at 17:34 +0800, Jason Wang wrote: >> Currently, tun_chr_poll() returns POLLERR after waitqueue adding during >> device >> unregistration. This would confuse some of its user such as vhost which >> assume >> when POLLERR is returned,

Re: [PATCH V2 3/3] tuntap: don't add to waitqueue when POLLERR

2013-01-05 Thread Eric Dumazet
On Sat, 2013-01-05 at 17:34 +0800, Jason Wang wrote: > Currently, tun_chr_poll() returns POLLERR after waitqueue adding during device > unregistration. This would confuse some of its user such as vhost which assume > when POLLERR is returned, it wasn't added to the waitqueue. Fix this by > returnin