From: Keir Fraser <keir.fraser@citrix.com>
Date: Sat, 30 May 2009 09:24:21 +0000 (+0100)
Subject: passthrough: Fix test_and_clear_bit() caller to clear bitmap, not bitmap pointer
X-Git-Tag: archive/raspbian/4.8.0-1+rpi1~1^2~13844
X-Git-Url: https://dgit.raspbian.org/%22http://www.example.com/cgi/success/%22http:/www.example.com/cgi/success?a=commitdiff_plain;h=e426310aff69e9e667091c63346cf81b0cfb0767;p=xen.git

passthrough: Fix test_and_clear_bit() caller to clear bitmap, not bitmap pointer

Latent bug triggered by '19650: eliminate hard-coded NR_IRQS'

Signed-off-by: Keir Fraser <keir.fraser@citrix.com>
---

diff --git a/xen/drivers/passthrough/io.c b/xen/drivers/passthrough/io.c
index ed3bed57ec..61060db8e3 100644
--- a/xen/drivers/passthrough/io.c
+++ b/xen/drivers/passthrough/io.c
@@ -444,7 +444,7 @@ void hvm_dirq_assist(struct vcpu *v)
           irq < d->nr_pirqs;
           irq = find_next_bit(hvm_irq_dpci->dirq_mask, d->nr_pirqs, irq + 1) )
     {
-        if ( !test_and_clear_bit(irq, &hvm_irq_dpci->dirq_mask) )
+        if ( !test_and_clear_bit(irq, hvm_irq_dpci->dirq_mask) )
             continue;
 
         spin_lock(&d->event_lock);