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: c4f528795d1a ("tty: serial: msm_geni_serial: Add serial driver support for GENI based QUP")
Signed-off-by: Wei Yongjun <weiyongjun1@xxxxxxxxxx>
---
drivers/tty/serial/qcom_geni_serial.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/drivers/tty/serial/qcom_geni_serial.c b/drivers/tty/serial/qcom_geni_serial.c
index 1442777..65ff669 100644
--- a/drivers/tty/serial/qcom_geni_serial.c
+++ b/drivers/tty/serial/qcom_geni_serial.c
@@ -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;
--
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