From: SF Markus Elfring <elfring@users.sourceforge.net>
To: linux-m68k@vger.kernel.org, Geert Uytterhoeven <geert@linux-m68k.org>
Cc: LKML <linux-kernel@vger.kernel.org>, kernel-janitors@vger.kernel.org
Subject: [PATCH 1/3] m68k: Return directly after a failed capable() in sys_cacheflush()
Date: Wed, 18 Jan 2017 17:47:33 +0100 [thread overview]
Message-ID: <71513091-bc01-ce70-893f-3f376062d833@users.sourceforge.net> (raw)
In-Reply-To: <558ff501-7440-a97f-4494-f48591644092@users.sourceforge.net>
From: Markus Elfring <elfring@users.sourceforge.net>
Date: Wed, 18 Jan 2017 16:30:36 +0100
Return directly after a call of the function "capable" failed
at the beginning.
Signed-off-by: Markus Elfring <elfring@users.sourceforge.net>
---
arch/m68k/kernel/sys_m68k.c | 3 +--
1 file changed, 1 insertion(+), 2 deletions(-)
diff --git a/arch/m68k/kernel/sys_m68k.c b/arch/m68k/kernel/sys_m68k.c
index 9aa01adb407f..62bfeb3716a7 100644
--- a/arch/m68k/kernel/sys_m68k.c
+++ b/arch/m68k/kernel/sys_m68k.c
@@ -384,9 +384,8 @@ sys_cacheflush (unsigned long addr, int scope, int cache, unsigned long len)
if (scope == FLUSH_SCOPE_ALL) {
/* Only the superuser may explicitly flush the whole cache. */
- ret = -EPERM;
if (!capable(CAP_SYS_ADMIN))
- goto out;
+ return -EPERM;
} else {
struct vm_area_struct *vma;
--
2.11.0
next prev parent reply other threads:[~2017-01-18 16:54 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-01-18 16:45 [PATCH 0/3] m68k: Fine-tuning for sys_cacheflush() SF Markus Elfring
2017-01-18 16:47 ` SF Markus Elfring [this message]
2017-02-09 11:06 ` [PATCH 1/3] m68k: Return directly after a failed capable() in sys_cacheflush() Geert Uytterhoeven
2017-01-18 16:49 ` [PATCH 2/3] m68k: Delete an unnecessary variable assignment " SF Markus Elfring
2017-02-09 13:23 ` Geert Uytterhoeven
2017-01-18 16:50 ` [PATCH 3/3] m68k: Add some spaces for better code readability " SF Markus Elfring
2017-02-09 11:12 ` Geert Uytterhoeven
2017-02-09 13:05 ` SF Markus Elfring
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