linux-kernel - [PATCH] PM, kernel/power/user.c: Replace unintuitive 'if' condition with 'else'

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Date:	Fri, 02 Dec 2011 23:36:53 +0530
From:	"Srivatsa S. Bhat" <srivatsa.bhat@...ux.vnet.ibm.com>
To:	rjw@...k.pl
Cc:	pavel@....cz, len.brown@...el.com, linux-kernel@...r.kernel.org,
	linux-pm@...r.kernel.org
Subject: [PATCH] PM,
 kernel/power/user.c: Replace unintuitive 'if' condition with 'else'

In the snapshot_ioctl() function, under SNAPSHOT_FREEZE, the code below
freeze_processes() is a bit unintuitive. Improve it by replacing the
second 'if' condition with an 'else' clause.

Signed-off-by: Srivatsa S. Bhat <srivatsa.bhat@...ux.vnet.ibm.com>
---

 kernel/power/user.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/kernel/power/user.c b/kernel/power/user.c
index 7cc3f5b..8c64d1c 100644
--- a/kernel/power/user.c
+++ b/kernel/power/user.c
@@ -259,7 +259,7 @@ static long snapshot_ioctl(struct file *filp, unsigned int cmd,
 		error = freeze_processes();
 		if (error)
 			usermodehelper_enable();
-		if (!error)
+		else
 			data->frozen = 1;
 		break;
 

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