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 ed3bed57ec7bd06b937d6962f8999471c85e04a9..61060db8e38b7da355ea3e6419cade27b603c7bd 100644 (file)
--- 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);