From: Anton Blanchard Date: Sat, 7 Jun 2014 01:29:01 +0000 (+1000) Subject: powernv: Fix permissions on sysparam sysfs entries X-Git-Tag: v3.15.4~25 X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=948eccfe9a3f7253f5ea268ff9db2ebdb67005c1;p=thirdparty%2Fkernel%2Fstable.git powernv: Fix permissions on sysparam sysfs entries commit 1bd098903fda069cb96fe8b5cb4595b46c683385 upstream. Everyone can write to these files, which is not what we want. Signed-off-by: Anton Blanchard Signed-off-by: Benjamin Herrenschmidt Signed-off-by: Greg Kroah-Hartman --- diff --git a/arch/powerpc/platforms/powernv/opal-sysparam.c b/arch/powerpc/platforms/powernv/opal-sysparam.c index d202f9bc3683f..9d1acf22a099d 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;