[PATCH] powernv: Fix permissions on sysparam sysfs entries
From: Anton Blanchard <hidden>
Date: 2014-06-07 01:29:02
Subsystem:
linux for powerpc (32-bit and 64-bit), the rest · Maintainers:
Madhavan Srinivasan, Linus Torvalds
Everyone can write to these files, which is not what we want. Cc: stable@vger.kernel.org # 3.15 Signed-off-by: Anton Blanchard <redacted> ---
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;