Re: [PATCH] In absence of braces, port and NULL are missed

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On 15/10/13 01:54, Mark Rutland wrote:
[Adding Tony Prisk and linux-serial]

Hi Roel,

While this looks like a good fix, the commit message is a bit confusing.
How about something like the message between the scissor lines below:

---->8----
[PATCH] serial: vt8500: add missing braces

Due to missing braces on an if statement, port will always be assigned
-1 regardless of any alias entries in the dt, which was clearly not the
intended behaviour.

This patch adds the missing braces, fixing the issue.
---->8----

Also, while this is device tree related, you should Cc the driver
maintainer when submitting driver changes.

Cheers,
Mark.

On Sun, Oct 13, 2013 at 11:29:36PM +0100, Roel Kluin wrote:
Signed-off-by: Roel Kluin <roel.kluin@xxxxxxxxx>
---
  drivers/tty/serial/vt8500_serial.c | 5 +++--
  1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/drivers/tty/serial/vt8500_serial.c b/drivers/tty/serial/vt8500_serial.c
index 93b697a..4cf71c0 100644
--- a/drivers/tty/serial/vt8500_serial.c
+++ b/drivers/tty/serial/vt8500_serial.c
@@ -561,12 +561,13 @@ static int vt8500_serial_probe(struct platform_device *pdev)
  	if (!mmres || !irqres)
  		return -ENODEV;
- if (np)
+	if (np) {
  		port = of_alias_get_id(np, "serial");
  		if (port >= VT8500_MAX_PORTS)
  			port = -1;
-	else
+        } else {
  		port = -1;
+        }
if (port < 0) {
  		/* calculate the port id */
--
1.8.1.2

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Nice find and thanks for the fix.

Acked-by: Tony Prisk <linux@xxxxxxxxxxxxxxx>

Regards
Tony P
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