linux-kernel - [PATCH] tty: serial: add missing clk

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Date:   Tue, 18 Jul 2023 15:55:23 +0800
From:   sunran001@...suo.com
To:     gregkh@...uxfoundation.org
Cc:     linux-serial@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: [PATCH] tty: serial: add missing clk_put()

This patch fixes the following Coccinelle error:

./drivers/tty/serial/bcm63xx_uart.c:854:2-8: ERROR: missing clk_put;
clk_get on line 849 and execution via conditional on line 853

Signed-off-by: Ran Sun <sunran001@...suo.com>
---
  drivers/tty/serial/bcm63xx_uart.c | 1 +
  1 file changed, 1 insertion(+)

diff --git a/drivers/tty/serial/bcm63xx_uart.c 
b/drivers/tty/serial/bcm63xx_uart.c
index 55e82d0bf92d..7353b683952d 100644
--- a/drivers/tty/serial/bcm63xx_uart.c
+++ b/drivers/tty/serial/bcm63xx_uart.c
@@ -851,6 +851,7 @@ static int bcm_uart_probe(struct platform_device 
*pdev)
          clk = of_clk_get(pdev->dev.of_node, 0);

      if (IS_ERR(clk))
+        clk_put(clk);
          return -ENODEV;

      port->iotype = UPIO_MEM;