[Xen-changelog] [xen stable-4.7] missing vgic_unlock_rank in gic_remove_irq_from_guest

[patchbot@xxxxxxx]

commit 9c404dfc0817150194da8156627167317c2ed058
Author:     Stefano Stabellini <sstabellini@xxxxxxxxxx>
AuthorDate: Thu Dec 8 16:59:28 2016 -0800
Commit:     Stefano Stabellini <sstabellini@xxxxxxxxxx>
CommitDate: Fri Mar 17 12:06:53 2017 -0700

    missing vgic_unlock_rank in gic_remove_irq_from_guest
    
    Add missing vgic_unlock_rank on the error path in
    gic_remove_irq_from_guest.
    
    Coverity-ID: 1381843
    
    Signed-off-by: Stefano Stabellini <sstabellini@xxxxxxxxxx>
    Reviewed-by: Julien Grall <julien.grall@xxxxxxx>
---
 xen/arch/arm/gic.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/xen/arch/arm/gic.c b/xen/arch/arm/gic.c
index 2bfe4de..b3b7a5f 100644
--- a/xen/arch/arm/gic.c
+++ b/xen/arch/arm/gic.c
@@ -197,7 +197,10 @@ 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);
--
generated by git-patchbot for /home/xen/git/xen.git#stable-4.7

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