From: Chunyan Zhang <chunyan.zhang@xxxxxxxxxx>
cleanup the sprd_port for the device when its .probe() would be called
later, and then alloc memory for its sprd_port again.
Signed-off-by: Chunyan Zhang <chunyan.zhang@xxxxxxxxxx>
---
drivers/tty/serial/sprd_serial.c | 7 ++++++-
1 file changed, 6 insertions(+), 1 deletion(-)
diff --git a/drivers/tty/serial/sprd_serial.c b/drivers/tty/serial/sprd_serial.c
index 914862844790..9917d7240172 100644
--- a/drivers/tty/serial/sprd_serial.c
+++ b/drivers/tty/serial/sprd_serial.c
@@ -1230,8 +1230,13 @@ static int sprd_probe(struct platform_device *pdev)
up->has_sysrq = IS_ENABLED(CONFIG_SERIAL_SPRD_CONSOLE);
ret = sprd_clk_init(up);
- if (ret)
+ if (ret) {
+ if (ret == -EPROBE_DEFER) {
+ devm_kfree(&pdev->dev, sprd_port[index]);
+ sprd_port[index] = NULL;
+ }
return ret;
+ }
res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
up->membase = devm_ioremap_resource(&pdev->dev, res);
--
2.20.1
