From: Anton Blanchard <anton@samba.org>
To: benh@kernel.crashing.org, paulus@samba.org, joel@jms.id.au,
neelegup@linux.vnet.ibm.com
Cc: linuxppc-dev@lists.ozlabs.org
Subject: [PATCH] powernv: Fix permissions on sysparam sysfs entries
Date: Sat, 7 Jun 2014 11:29:01 +1000 [thread overview]
Message-ID: <20140607112901.37bd551f@kryten> (raw)
Everyone can write to these files, which is not what we want.
Cc: stable@vger.kernel.org # 3.15
Signed-off-by: Anton Blanchard <anton@samba.org>
---
diff --git a/arch/powerpc/platforms/powernv/opal-sysparam.c b/arch/powerpc/platforms/powernv/opal-sysparam.c
index d202f9b..9d1acf2 100644
--- a/arch/powerpc/platforms/powernv/opal-sysparam.c
+++ b/arch/powerpc/platforms/powernv/opal-sysparam.c
@@ -260,10 +260,10 @@ void __init opal_sys_param_init(void)
attr[i].kobj_attr.attr.mode = S_IRUGO;
break;
case OPAL_SYSPARAM_WRITE:
- attr[i].kobj_attr.attr.mode = S_IWUGO;
+ attr[i].kobj_attr.attr.mode = S_IWUSR;
break;
case OPAL_SYSPARAM_RW:
- attr[i].kobj_attr.attr.mode = S_IRUGO | S_IWUGO;
+ attr[i].kobj_attr.attr.mode = S_IRUGO | S_IWUSR;
break;
default:
break;
reply other threads:[~2014-06-07 1:29 UTC|newest]
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