[Xen-devel] [PATCH] missing vgic_unlock_rank in gic_remove_irq_from_guest

[Stefano Stabellini <sstabellini@xxxxxxxxxx>]

Add missing vgic_unlock_rank on the error path in
gic_remove_irq_from_guest.

CID: 1381843

Signed-off-by: Stefano Stabellini <sstabellini@xxxxxxxxxx>

diff --git a/xen/arch/arm/gic.c b/xen/arch/arm/gic.c
index 63c744a..a5348f2 100644
--- a/xen/arch/arm/gic.c
+++ b/xen/arch/arm/gic.c
@@ -205,7 +205,10 @@ int gic_remove_irq_from_guest(struct domain *d, unsigned 
int virq,
          */
         if ( test_bit(_IRQ_INPROGRESS, &desc->status) ||
              !test_bit(_IRQ_DISABLED, &desc->status) )
+        {
+            vgic_unlock_rank(v_target, rank, flags);
             return -EBUSY;
+        }
     }
 
     clear_bit(_IRQ_GUEST, &desc->status);

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