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serial: 8250: of: Correct of_platform_serial_setup() error handling

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[ Upstream commit b29330d829 ]

Don't dispose IRQ mapping before it has been created.

Fixes: aa9594740 ("serial: 8250_of: Add IO space support")
Signed-off-by: Alexander Sverdlin <alexander.sverdlin@nokia.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Sasha Levin <alexander.levin@microsoft.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Alexander Sverdlin
2018-09-26 08:39:38 +02:00
committed by Greg Kroah-Hartman
parent cc04d14157
commit 24d7347116
1 changed files with 1 additions and 1 deletions
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drivers/tty/serial/8250/8250_of.c
+1 -1
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@@ -124,7 +124,7 @@ static int of_platform_serial_setup(struct platform_device *ofdev,
dev_warn(&ofdev->dev, "unsupported reg-io-width (%d)\n",
prop);
ret = -EINVAL;
goto err_dispose;
goto err_unprepare;
}
}
port->flags |= UPF_IOREMAP;