linux-kernel - [PATCH] mailbox: qcom-ipcc: fix incorrect num

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Date:   Wed,  2 Aug 2023 09:52:22 -0400
From:   Jonathan Marek <jonathan@...ek.ca>
To:     linux-arm-msm@...r.kernel.org
Cc:     Manivannan Sadhasivam <mani@...nel.org>,
        Andy Gross <agross@...nel.org>,
        Bjorn Andersson <andersson@...nel.org>,
        Konrad Dybcio <konrad.dybcio@...aro.org>,
        Jassi Brar <jassisinghbrar@...il.com>,
        Huang Yiwei <quic_hyiwei@...cinc.com>,
        linux-kernel@...r.kernel.org (open list:MAILBOX API)
Subject: [PATCH] mailbox: qcom-ipcc: fix incorrect num_chans counting

Breaking out early when a match is found leads to an incorrect num_chans
value when more than one ipcc mailbox channel is used by the same device.

Fixes: e9d50e4b4d04 ("mailbox: qcom-ipcc: Dynamic alloc for channel arrangement")
Signed-off-by: Jonathan Marek <jonathan@...ek.ca>
---
 drivers/mailbox/qcom-ipcc.c | 4 +---
 1 file changed, 1 insertion(+), 3 deletions(-)

diff --git a/drivers/mailbox/qcom-ipcc.c b/drivers/mailbox/qcom-ipcc.c
index 7e27acf6c0cc..f597a1bd5684 100644
--- a/drivers/mailbox/qcom-ipcc.c
+++ b/drivers/mailbox/qcom-ipcc.c
@@ -227,10 +227,8 @@ static int qcom_ipcc_setup_mbox(struct qcom_ipcc *ipcc,
 			ret = of_parse_phandle_with_args(client_dn, "mboxes",
 						"#mbox-cells", j, &curr_ph);
 			of_node_put(curr_ph.np);
-			if (!ret && curr_ph.np == controller_dn) {
+			if (!ret && curr_ph.np == controller_dn)
 				ipcc->num_chans++;
-				break;
-			}
 		}
 	}
 
-- 
2.26.1