linux-kernel - [PATCH 5.12 407/700] ssb: Fix error return code in ssb_bus

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Message-Id: <20210712061019.673555506@linuxfoundation.org>
Date:   Mon, 12 Jul 2021 08:08:10 +0200
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     linux-kernel@...r.kernel.org
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        stable@...r.kernel.org, Hulk Robot <hulkci@...wei.com>,
        Zhen Lei <thunder.leizhen@...wei.com>,
        Michael Büsch <m@...s.ch>,
        Kalle Valo <kvalo@...eaurora.org>,
        Sasha Levin <sashal@...nel.org>
Subject: [PATCH 5.12 407/700] ssb: Fix error return code in ssb_bus_scan()

From: Zhen Lei <thunder.leizhen@...wei.com>

[ Upstream commit 77a0989baa427dbd242c5784d05a53ca3d197d43 ]

Fix to return -EINVAL from the error handling case instead of 0, as done
elsewhere in this function.

Fixes: 61e115a56d1a ("[SSB]: add Sonics Silicon Backplane bus support")
Reported-by: Hulk Robot <hulkci@...wei.com>
Signed-off-by: Zhen Lei <thunder.leizhen@...wei.com>
Acked-by: Michael Büsch <m@...s.ch>
Signed-off-by: Kalle Valo <kvalo@...eaurora.org>
Link: https://lore.kernel.org/r/20210515072949.7151-1-thunder.leizhen@huawei.com
Signed-off-by: Sasha Levin <sashal@...nel.org>
---
 drivers/ssb/scan.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/ssb/scan.c b/drivers/ssb/scan.c
index f49ab1aa2149..4161e5d1f276 100644
--- a/drivers/ssb/scan.c
+++ b/drivers/ssb/scan.c
@@ -325,6 +325,7 @@ int ssb_bus_scan(struct ssb_bus *bus,
 	if (bus->nr_devices > ARRAY_SIZE(bus->devices)) {
 		pr_err("More than %d ssb cores found (%d)\n",
 		       SSB_MAX_NR_CORES, bus->nr_devices);
+		err = -EINVAL;
 		goto err_unmap;
 	}
 	if (bus->bustype == SSB_BUSTYPE_SSB) {
-- 
2.30.2