linux-kernel - [PATCH] driver core: Display error codes when class suspend fails

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Message-Id: <1287598962-28013-1-git-send-email-broonie@opensource.wolfsonmicro.com>
Date:	Wed, 20 Oct 2010 11:22:42 -0700
From:	Mark Brown <broonie@...nsource.wolfsonmicro.com>
To:	Greg Kroah-Hartman <gregkh@...e.de>
Cc:	linux-kernel@...r.kernel.org, patches@...nsource.wolfsonmicro.com,
	Mark Brown <broonie@...nsource.wolfsonmicro.com>
Subject: [PATCH] driver core: Display error codes when class suspend fails

Aid diagnostics by printing the error code from failed suspends, which
doesn't otherwise seem to get displayed.

Signed-off-by: Mark Brown <broonie@...nsource.wolfsonmicro.com>
---
 drivers/base/sys.c |    8 ++++----
 1 files changed, 4 insertions(+), 4 deletions(-)

diff --git a/drivers/base/sys.c b/drivers/base/sys.c
index 9354dc1..1667aaf 100644
--- a/drivers/base/sys.c
+++ b/drivers/base/sys.c
@@ -432,13 +432,13 @@ int sysdev_suspend(pm_message_t state)
 	/* resume current sysdev */
 cls_driver:
 	drv = NULL;
-	printk(KERN_ERR "Class suspend failed for %s\n",
-		kobject_name(&sysdev->kobj));
+	printk(KERN_ERR "Class suspend failed for %s: %d\n",
+		kobject_name(&sysdev->kobj), ret);
 
 aux_driver:
 	if (drv)
-		printk(KERN_ERR "Class driver suspend failed for %s\n",
-				kobject_name(&sysdev->kobj));
+		printk(KERN_ERR "Class driver suspend failed for %s: %d\n",
+				kobject_name(&sysdev->kobj), ret);
 	list_for_each_entry(err_drv, &cls->drivers, entry) {
 		if (err_drv == drv)
 			break;
-- 
1.7.1

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