From: Bjorn Helgaas <bjorn.helgaas@hp.com>
Date: Wed, 14 Feb 2007 08:33:05 +0000 (-0800)
Subject: [PATCH] serial: trivial code flow simplification
X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=9b22271d4b8c1be8a81563c322d3f04e7cbe2153;p=GitHub%2FLineageOS%2Fandroid_kernel_motorola_exynos9610.git

[PATCH] serial: trivial code flow simplification

Return failure immediately, so we don't have to test it twice.

Signed-off-by: Bjorn Helgaas <bjorn.helgaas@hp.com>
Cc: Adam Belay <ambx1@neo.rr.com>
Cc: Russell King <rmk@arm.linux.org.uk>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---

diff --git a/drivers/serial/8250_pnp.c b/drivers/serial/8250_pnp.c
index d3d6b82706b5..cde5db44abf6 100644
--- a/drivers/serial/8250_pnp.c
+++ b/drivers/serial/8250_pnp.c
@@ -450,11 +450,11 @@ serial_pnp_probe(struct pnp_dev *dev, const struct pnp_device_id *dev_id)
 	port.dev = &dev->dev;
 
 	line = serial8250_register_port(&port);
+	if (line < 0)
+		return -ENODEV;
 
-	if (line >= 0)
-		pnp_set_drvdata(dev, (void *)((long)line + 1));
-	return line >= 0 ? 0 : -ENODEV;
-
+	pnp_set_drvdata(dev, (void *)((long)line + 1));
+	return 0;
 }
 
 static void __devexit serial_pnp_remove(struct pnp_dev *dev)