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[Xen-devel] [PATCH V2 01/33] xen/arm: lr must be included in range [0-nr_lr(



Signed-off-by: Julien Grall <julien.grall@xxxxxxxxxx>
Acked-by: Ian Campbell <ian.campbell@xxxxxxxxxx>

Changes in v2:
   - Typo in the commit message
---
 xen/arch/arm/gic.c |    4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/xen/arch/arm/gic.c b/xen/arch/arm/gic.c
index 61de230..6d71aae 100644
--- a/xen/arch/arm/gic.c
+++ b/xen/arch/arm/gic.c
@@ -512,7 +512,9 @@ static inline void gic_set_lr(int lr, unsigned int 
virtual_irq,
 {
     int maintenance_int = GICH_LR_MAINTENANCE_IRQ;
 
-    BUG_ON(lr > nr_lrs);
+    BUG_ON(lr >= nr_lrs);
+    BUG_ON(lr < 0);
+    BUG_ON(state & ~(GICH_LR_STATE_MASK<<GICH_LR_STATE_SHIFT));
 
     GICH[GICH_LR + lr] = state |
         maintenance_int |
-- 
Julien Grall


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