[Xen-changelog] [xen master] xen/arm: lr must be included in range [0-nr_lr(

[patchbot@xxxxxxx]

commit 1f5bee6af4a7d38990cd7c139bf79c1c213cfe74
Author:     Julien Grall <julien.grall@xxxxxxxxxx>
AuthorDate: Fri May 10 03:17:47 2013 +0100
Commit:     Ian Campbell <ian.campbell@xxxxxxxxxx>
CommitDate: Fri May 10 14:17:00 2013 +0100

    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>
---
 xen/arch/arm/gic.c |    4 +++-
 1 files changed, 3 insertions(+), 1 deletions(-)

diff --git a/xen/arch/arm/gic.c b/xen/arch/arm/gic.c
index 9ebfebe..dd902d2 100644
--- a/xen/arch/arm/gic.c
+++ b/xen/arch/arm/gic.c
@@ -510,7 +510,9 @@ 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 |
--
generated by git-patchbot for /home/xen/git/xen.git#master

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