linux-kernel - [PATCH 3/3] sched: Simplify return logic in sched_read

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Message-ID: <536CEC29.9090503@gmail.com>
Date:	Fri, 09 May 2014 16:54:33 +0200
From:	"Michael Kerrisk (man-pages)" <mtk.manpages@...il.com>
To:	Peter Zijlstra <peterz@...radead.org>
CC:	mtk.manpages@...il.com, lkml <linux-kernel@...r.kernel.org>,
	Juri Lelli <juri.lelli@...il.com>,
	Dario Faggioli <raistlin@...ux.it>,
	Ingo Molnar <mingo@...nel.org>
Subject: [PATCH 3/3] sched: Simplify return logic in sched_read_attr()

From: Michael Kerrisk <mtk.manpages@...il.com>

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

Signed-off-by: Michael Kerrisk <mtk.manpages@...il.com>
---
 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 8fa3e12..d21c070 100644
--- a/kernel/sched/core.c
+++ b/kernel/sched/core.c
@@ -3759,7 +3759,7 @@ static int sched_read_attr(struct sched_attr __user *uattr,
 
 		for (; addr < end; addr++) {
 			if (*addr)
-				goto err_size;
+				return -EFBIG;
 		}
 
 		attr->size = usize;
@@ -3769,12 +3769,7 @@ 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;
 }
 
 /**
-- 
1.9.0

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