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tty: serial: msm_geni_serial: Fix return value check in qcom_geni_serial_probe()

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In case of error, the function platform_get_resource() returns NULL
pointer not ERR_PTR(). The IS_ERR() test in the return value check
should be replaced with NULL test.

Fixes: c4f528795d ("tty: serial: msm_geni_serial: Add serial driver support for GENI based QUP")
Signed-off-by: Wei Yongjun <weiyongjun1@huawei.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Wei Yongjun 2018-03-22 02:25:07 +00:00 committed by Greg Kroah-Hartman
parent 4958134df5
commit 7693b331d0
1 changed files with 2 additions and 2 deletions
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4
drivers/tty/serial/qcom_geni_serial.c
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@ -1053,8 +1053,8 @@ static int qcom_geni_serial_probe(struct platform_device *pdev)
}
res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
if (IS_ERR(res))
return PTR_ERR(res);
if (!res)
return -EINVAL;
uport->mapbase = res->start;
port->tx_fifo_depth = DEF_FIFO_DEPTH_WORDS;