linux-kernel - [PATCH 5.8 402/633] i3c: master: Fix error return in cdns_i3c_master

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Date:   Tue, 27 Oct 2020 14:52:25 +0100
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     linux-kernel@...r.kernel.org
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        stable@...r.kernel.org, Jing Xiangfeng <jingxiangfeng@...wei.com>,
        Boris Brezillon <boris.brezillon@...labora.com>,
        Sasha Levin <sashal@...nel.org>
Subject: [PATCH 5.8 402/633] i3c: master: Fix error return in cdns_i3c_master_probe()

From: Jing Xiangfeng <jingxiangfeng@...wei.com>

[ Upstream commit abea14bfdebbe9bd02f2ad24a1f3a878ed21c8f0 ]

Fix to return negative error code -ENOMEM from the error handling
case instead of 0.

Fixes: 603f2bee2c54 ("i3c: master: Add driver for Cadence IP")
Signed-off-by: Jing Xiangfeng <jingxiangfeng@...wei.com>
Signed-off-by: Boris Brezillon <boris.brezillon@...labora.com>
Link: https://lore.kernel.org/linux-i3c/20200911033350.23904-1-jingxiangfeng@huawei.com
Signed-off-by: Sasha Levin <sashal@...nel.org>
---
 drivers/i3c/master/i3c-master-cdns.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/drivers/i3c/master/i3c-master-cdns.c b/drivers/i3c/master/i3c-master-cdns.c
index 3fee8bd7fe20b..3f2226928fe05 100644
--- a/drivers/i3c/master/i3c-master-cdns.c
+++ b/drivers/i3c/master/i3c-master-cdns.c
@@ -1635,8 +1635,10 @@ static int cdns_i3c_master_probe(struct platform_device *pdev)
 	master->ibi.slots = devm_kcalloc(&pdev->dev, master->ibi.num_slots,
 					 sizeof(*master->ibi.slots),
 					 GFP_KERNEL);
-	if (!master->ibi.slots)
+	if (!master->ibi.slots) {
+		ret = -ENOMEM;
 		goto err_disable_sysclk;
+	}
 
 	writel(IBIR_THR(1), master->regs + CMD_IBI_THR_CTRL);
 	writel(MST_INT_IBIR_THR, master->regs + MST_IER);
-- 
2.25.1