From: SF Markus Elfring <elfring@users.sourceforge.net>
To: Haavard Skinnemoen <hskinnemoen@gmail.com>,
Hans-Christian Egtvedt <egtvedt@samfundet.no>
Cc: LKML <linux-kernel@vger.kernel.org>, kernel-janitors@vger.kernel.org
Subject: [PATCH 1/3] AVR32: Return directly after a failed access_ok() in setup_rt_frame()
Date: Wed, 18 Jan 2017 14:46:24 +0100 [thread overview]
Message-ID: <59733f4e-18e2-9d71-31c8-dbf654c191f0@users.sourceforge.net> (raw)
In-Reply-To: <308dc151-c874-dfe7-64f9-24a63fc66883@users.sourceforge.net>
From: Markus Elfring <elfring@users.sourceforge.net>
Date: Wed, 18 Jan 2017 13:50:38 +0100
Return directly after a call of the function "access_ok" failed
at the beginning.
Signed-off-by: Markus Elfring <elfring@users.sourceforge.net>
---
arch/avr32/kernel/signal.c | 3 +--
1 file changed, 1 insertion(+), 2 deletions(-)
diff --git a/arch/avr32/kernel/signal.c b/arch/avr32/kernel/signal.c
index 8f1c63b9b983..13c31a7b9ae4 100644
--- a/arch/avr32/kernel/signal.c
+++ b/arch/avr32/kernel/signal.c
@@ -141,9 +141,8 @@ setup_rt_frame(struct ksignal *ksig, sigset_t *set, struct pt_regs *regs)
int err = 0;
frame = get_sigframe(ksig, regs, sizeof(*frame));
- err = -EFAULT;
if (!access_ok(VERIFY_WRITE, frame, sizeof (*frame)))
- goto out;
+ return -EFAULT;
/*
* Set up the return code:
--
2.11.0
next prev parent reply other threads:[~2017-01-18 13:53 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-01-18 13:45 [PATCH 0/3] AVR32: Fine-tuning for two function implementations SF Markus Elfring
2017-01-18 13:46 ` SF Markus Elfring [this message]
2017-01-18 13:48 ` [PATCH 2/3] AVR32: Delete an unnecessary variable initialisation in setup_rt_frame() SF Markus Elfring
2017-01-18 13:50 ` [PATCH 3/3] AVR32: Return an error code only as a constant in sys_cacheflush() SF Markus Elfring
2017-01-18 15:12 ` [PATCH 0/3] AVR32: Fine-tuning for two function implementations Hans-Christian Noren Egtvedt
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