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Date:   Fri, 14 Feb 2020 11:11:36 -0500
From:   Sasha Levin <>
Cc:     Zenghui Yu <>, Marc Zyngier <>,
        Sasha Levin <>
Subject: [PATCH AUTOSEL 4.19 241/252] irqchip/gic-v3-its: Reference to its_invall_cmd descriptor when building INVALL

From: Zenghui Yu <>

[ Upstream commit 107945227ac5d4c37911c7841b27c64b489ce9a9 ]

It looks like an obvious mistake to use its_mapc_cmd descriptor when
building the INVALL command block. It so far worked by luck because
both its_mapc_cmd.col and its_invall_cmd.col sit at the same offset of
the ITS command descriptor, but we should not rely on it.

Fixes: cc2d3216f53c ("irqchip: GICv3: ITS command queue")
Signed-off-by: Zenghui Yu <>
Signed-off-by: Marc Zyngier <>
Signed-off-by: Sasha Levin <>
 drivers/irqchip/irq-gic-v3-its.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/irqchip/irq-gic-v3-its.c b/drivers/irqchip/irq-gic-v3-its.c
index 050d6e040128d..bf7b69449b438 100644
--- a/drivers/irqchip/irq-gic-v3-its.c
+++ b/drivers/irqchip/irq-gic-v3-its.c
@@ -578,7 +578,7 @@ static struct its_collection *its_build_invall_cmd(struct its_node *its,
 						   struct its_cmd_desc *desc)
 	its_encode_cmd(cmd, GITS_CMD_INVALL);
-	its_encode_collection(cmd, desc->its_mapc_cmd.col->col_id);
+	its_encode_collection(cmd, desc->its_invall_cmd.col->col_id);

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