[PATCH] ARM: zii-commmon: Fix NULL pointer dereference in do_rdu1_switch_reset()

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We need to go to parent's private data to get a pointer to struct
rave_sp. Fix that.

Fixes: 493e2ee38f ("ARM: zii-common: add support for switch reset on RDU1")
Signed-off-by: Andrey Smirnov <andrew.smirnov@xxxxxxxxx>
---
 arch/arm/boards/zii-common/switch-cmd.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/arch/arm/boards/zii-common/switch-cmd.c b/arch/arm/boards/zii-common/switch-cmd.c
index 30438053a1..2b9c34bfac 100644
--- a/arch/arm/boards/zii-common/switch-cmd.c
+++ b/arch/arm/boards/zii-common/switch-cmd.c
@@ -42,7 +42,7 @@ static int do_rdu2_switch_reset(void)
 static int do_rdu1_switch_reset(void)
 {
 	struct device_d *sp_dev = get_device_by_name("sp");
-	struct rave_sp *sp = sp_dev->priv;
+	struct rave_sp *sp = sp_dev->parent->priv;
 	u8 cmd[] = {
 		[0] = RAVE_SP_CMD_RESET_ETH_SWITCH,
 		[1] = 0
-- 
2.21.0


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