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[5.4,128/149] firmware: tegra: Fix error return code in tegra210_bpmp_init()

Message ID 20210719144931.629873797@linuxfoundation.org
State Superseded
Headers show
Series None | expand

Commit Message

Greg Kroah-Hartman July 19, 2021, 2:53 p.m. UTC 
From: Zhen Lei <thunder.leizhen@huawei.com>


[ Upstream commit 7fea67710e9f6a111a2c9440576f2396ccd92d57 ]

When call irq_get_irq_data() to get the IRQ's irq_data failed, an
appropriate error code -ENOENT should be returned. However, we directly
return 'err', which records the IRQ number instead of the error code.

Fixes: 139251fc2208 ("firmware: tegra: add bpmp driver for Tegra210")
Reported-by: Hulk Robot <hulkci@huawei.com>
Signed-off-by: Zhen Lei <thunder.leizhen@huawei.com>

Signed-off-by: Thierry Reding <treding@nvidia.com>

Signed-off-by: Sasha Levin <sashal@kernel.org>

---
 drivers/firmware/tegra/bpmp-tegra210.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

-- 
2.30.2
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Patch

diff --git a/drivers/firmware/tegra/bpmp-tegra210.c b/drivers/firmware/tegra/bpmp-tegra210.c
index ae15940a078e..c32754055c60 100644
--- a/drivers/firmware/tegra/bpmp-tegra210.c
+++ b/drivers/firmware/tegra/bpmp-tegra210.c
@@ -210,7 +210,7 @@  static int tegra210_bpmp_init(struct tegra_bpmp *bpmp)
 	priv->tx_irq_data = irq_get_irq_data(err);
 	if (!priv->tx_irq_data) {
 		dev_err(&pdev->dev, "failed to get IRQ data for TX IRQ\n");
-		return err;
+		return -ENOENT;
 	}
 
 	err = platform_get_irq_byname(pdev, "rx");