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From:   Greg Kroah-Hartman <gregkh@linuxfoundation.org>
To:     linux-kernel@vger.kernel.org
Cc:     Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
        stable@vger.kernel.org,
        Rishabh Bhatnagar <rishabhb@codeaurora.org>,
        Sibi Sankar <sibis@codeaurora.org>,
        Bjorn Andersson <bjorn.andersson@linaro.org>,
        Sasha Levin <sashal@kernel.org>
Subject: [PATCH 5.9 604/757] soc: qcom: pdr: Fixup array type of get_domain_list_resp message
Date:   Tue, 27 Oct 2020 14:54:14 +0100
Message-Id: <20201027135518.877154890@linuxfoundation.org>
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From: Sibi Sankar <sibis@codeaurora.org>

[ Upstream commit 7a366707bb6a93baeb1a9ef46c4b9c875e0132d6 ]

The array type of get_domain_list_resp is incorrectly marked as NO_ARRAY.
Due to which the following error was observed when using pdr helpers with
the downstream proprietary pd-mapper. Fix this up by marking it as
VAR_LEN_ARRAY instead.

Err logs:
qmi_decode_struct_elem: Fault in decoding: dl(2), db(27), tl(160), i(1), el(1)
failed to decode incoming message
PDR: tms/servreg get domain list txn wait failed: -14
PDR: service lookup for tms/servreg failed: -14

Tested-by: Rishabh Bhatnagar <rishabhb@codeaurora.org>
Fixes: fbe639b44a82 ("soc: qcom: Introduce Protection Domain Restart helpers")
Reported-by: Rishabh Bhatnagar <rishabhb@codeaurora.org>
Signed-off-by: Sibi Sankar <sibis@codeaurora.org>
Link: https://lore.kernel.org/r/20200914145807.1224-1-sibis@codeaurora.org
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 drivers/soc/qcom/pdr_internal.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/soc/qcom/pdr_internal.h b/drivers/soc/qcom/pdr_internal.h
index 15b5002e4127b..ab9ae8cdfa54c 100644
--- a/drivers/soc/qcom/pdr_internal.h
+++ b/drivers/soc/qcom/pdr_internal.h
@@ -185,7 +185,7 @@ struct qmi_elem_info servreg_get_domain_list_resp_ei[] = {
 		.data_type      = QMI_STRUCT,
 		.elem_len       = SERVREG_DOMAIN_LIST_LENGTH,
 		.elem_size      = sizeof(struct servreg_location_entry),
-		.array_type	= NO_ARRAY,
+		.array_type	= VAR_LEN_ARRAY,
 		.tlv_type       = 0x12,
 		.offset         = offsetof(struct servreg_get_domain_list_resp,
 					   domain_list),
-- 
2.25.1