svcrpc: assume svc_delete_xprt() called only once

As long as DEAD exports are left BUSY, and svc_delete_xprt is called
only with BUSY held, then svc_delete_xprt() will never be called on an
xprt that is already DEAD.

Signed-off-by: J. Bruce Fields <bfields@redhat.com>
This commit is contained in:
J. Bruce Fields 2010-10-23 11:16:10 -04:00
parent 7e4fdd0744
commit ac9303eb74

View file

@ -903,7 +903,7 @@ void svc_delete_xprt(struct svc_xprt *xprt)
/* Only do this once */
if (test_and_set_bit(XPT_DEAD, &xprt->xpt_flags))
return;
BUG();
dprintk("svc: svc_delete_xprt(%p)\n", xprt);
xprt->xpt_ops->xpo_detach(xprt);