From: Adam Belay <ambx1@neo.rr.com>
Date: Wed, 1 Mar 2006 00:59:10 +0000 (-0800)
Subject: [PATCH] pnp bus type fix
X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=8b613e1ccf1b7ac9acc73eaa07f5aeffd3c2bb8d;p=GitHub%2FLineageOS%2Fandroid_kernel_motorola_exynos9610.git

[PATCH] pnp bus type fix

This is Adam's pnp probing fix.  It's been reported to fix hangs on several
people's machines.  I don't know if it's official or final, and Adam isn't
contactable at present.  But I'm not aware of the patch causing any
regressions.

Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
---

diff --git a/drivers/pnp/card.c b/drivers/pnp/card.c
index aaa568a3806e..b68eef251614 100644
--- a/drivers/pnp/card.c
+++ b/drivers/pnp/card.c
@@ -303,13 +303,11 @@ found:
 	down_write(&dev->dev.bus->subsys.rwsem);
 	dev->card_link = clink;
 	dev->dev.driver = &drv->link.driver;
-	if (drv->link.driver.probe) {
-		if (drv->link.driver.probe(&dev->dev)) {
-			dev->dev.driver = NULL;
-			dev->card_link = NULL;
-			up_write(&dev->dev.bus->subsys.rwsem);
-			return NULL;
-		}
+	if (pnp_bus_type.probe(&dev->dev)) {
+		dev->dev.driver = NULL;
+		dev->card_link = NULL;
+		up_write(&dev->dev.bus->subsys.rwsem);
+		return NULL;
 	}
 	device_bind_driver(&dev->dev);
 	up_write(&dev->dev.bus->subsys.rwsem);