[PATCH 5.6 159/167] Revert "serial: uartps: Fix error path when alloc failed"

From: Greg Kroah-Hartman
Date: Tue Apr 28 2020 - 14:39:04 EST


From: Michal Simek <michal.simek@xxxxxxxxxx>

commit b6fd2dbbd649b89a3998528994665ded1e3fbf7f upstream.

This reverts commit 32cf21ac4edd6c0d5b9614368a83bcdc68acb031.

As Johan says, this driver needs a lot more work and these changes are
only going in the wrong direction:
https://lkml.kernel.org/r/20190523091839.GC568@localhost

Reported-by: Johan Hovold <johan@xxxxxxxxxx>
Signed-off-by: Michal Simek <michal.simek@xxxxxxxxxx>
Cc: stable <stable@xxxxxxxxxxxxxxx>
Link: https://lore.kernel.org/r/46cd7f039db847c08baa6508edd7854f7c8ff80f.1585905873.git.michal.simek@xxxxxxxxxx
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>

---
drivers/tty/serial/xilinx_uartps.c | 6 ++----
1 file changed, 2 insertions(+), 4 deletions(-)

--- a/drivers/tty/serial/xilinx_uartps.c
+++ b/drivers/tty/serial/xilinx_uartps.c
@@ -1554,10 +1554,8 @@ static int cdns_uart_probe(struct platfo
#ifdef CONFIG_SERIAL_XILINX_PS_UART_CONSOLE
cdns_uart_console = devm_kzalloc(&pdev->dev, sizeof(*cdns_uart_console),
GFP_KERNEL);
- if (!cdns_uart_console) {
- rc = -ENOMEM;
- goto err_out_id;
- }
+ if (!cdns_uart_console)
+ return -ENOMEM;

strncpy(cdns_uart_console->name, CDNS_UART_TTY_NAME,
sizeof(cdns_uart_console->name));