linux-kernel - [tip:sched/core] sched: Simplify return logic in sched_read

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Message-ID: <tip-55854e657f9890a1f76105c698d1d52cf6c43661@git.kernel.org>
Date:	Mon, 19 May 2014 06:08:20 -0700
From:	tip-bot for Michael Kerrisk <tipbot@...or.com>
To:	linux-tip-commits@...r.kernel.org
Cc:	linux-kernel@...r.kernel.org, hpa@...or.com, mingo@...nel.org,
	peterz@...radead.org, tglx@...utronix.de, mtk.manpages@...il.com
Subject: [tip:sched/core] sched: Simplify return logic in sched_read_attr(
 )

Commit-ID:  55854e657f9890a1f76105c698d1d52cf6c43661
Gitweb:     http://git.kernel.org/tip/55854e657f9890a1f76105c698d1d52cf6c43661
Author:     Michael Kerrisk <mtk.manpages@...il.com>
AuthorDate: Fri, 9 May 2014 16:54:33 +0200
Committer:  Thomas Gleixner <tglx@...utronix.de>
CommitDate: Mon, 19 May 2014 22:02:40 +0900

sched: Simplify return logic in sched_read_attr()

Gotos are chained pointlessly here, and the 'out' label
can be dispensed with.

Signed-off-by: Michael Kerrisk <mtk.manpages@...il.com>
Signed-off-by: Peter Zijlstra <peterz@...radead.org>
Link: http://lkml.kernel.org/r/536CEC29.9090503@gmail.com
Signed-off-by: Thomas Gleixner <tglx@...utronix.de>
---
 kernel/sched/core.c | 9 ++-------
 1 file changed, 2 insertions(+), 7 deletions(-)

diff --git a/kernel/sched/core.c b/kernel/sched/core.c
index 08b6355..29c542e 100644
--- a/kernel/sched/core.c
+++ b/kernel/sched/core.c
@@ -3821,7 +3821,7 @@ static int sched_read_attr(struct sched_attr __user *uattr,
 
 		for (; addr < end; addr++) {
 			if (*addr)
-				goto err_size;
+				return -EFBIG;
 		}
 
 		attr->size = usize;
@@ -3831,12 +3831,7 @@ static int sched_read_attr(struct sched_attr __user *uattr,
 	if (ret)
 		return -EFAULT;
 
-out:
-	return ret;
-
-err_size:
-	ret = -E2BIG;
-	goto out;
+	return 0;
 }
 
 /**
--
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