Re: [U-Boot] [PATCH v2 4/4] x86: Do sanity test on pirq table before writing

[Simon Glass]

On 25 May 2015 at 08:35, Bin Meng bmeng...@gmail.com wrote:
 If pirq_routing_table points to NULL, that means U-Boot fails to
 generate the table before in create_pirq_routing_table(), so we
 test it against NULL before actually writing it.

 Signed-off-by: Bin Meng bmeng...@gmail.com
 Acked-by: Simon Glass s...@chromium.org
 ---

 Changes in v2: None

  arch/x86/cpu/irq.c | 3 +++
  1 file changed, 3 insertions(+)

Applied to u-boot-x86, thanks!
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[U-Boot] [PATCH v2 4/4] x86: Do sanity test on pirq table before writing

[Bin Meng]

If pirq_routing_table points to NULL, that means U-Boot fails to
generate the table before in create_pirq_routing_table(), so we
test it against NULL before actually writing it.

Signed-off-by: Bin Meng bmeng...@gmail.com
Acked-by: Simon Glass s...@chromium.org
---

Changes in v2: None

 arch/x86/cpu/irq.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/arch/x86/cpu/irq.c b/arch/x86/cpu/irq.c
index d1711af..74b89ad 100644
--- a/arch/x86/cpu/irq.c
+++ b/arch/x86/cpu/irq.c
@@ -209,5 +209,8 @@ void pirq_init(void)
 
 u32 write_pirq_routing_table(u32 addr)
 {
+   if (!pirq_routing_table)
+   return addr;
+
return copy_pirq_routing_table(addr, pirq_routing_table);
 }
-- 
1.8.2.1

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