[PATCH 3.15 42/66] powernv: Fix permissions on sysparam sysfs entries

[Greg Kroah-Hartman]

3.15-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Anton Blanchard <anton@xxxxxxxxx>

commit 1bd098903fda069cb96fe8b5cb4595b46c683385 upstream.

Everyone can write to these files, which is not what we want.

Signed-off-by: Anton Blanchard <anton@xxxxxxxxx>
Signed-off-by: Benjamin Herrenschmidt <benh@xxxxxxxxxxxxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>

---
 arch/powerpc/platforms/powernv/opal-sysparam.c |    4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

--- 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;


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