[PATCH v2 3/4] lib: add "on"/"off" support to kstrtobool

[Kees Cook]

Add support for "on" and "off" when converting to boolean.

Signed-off-by: Kees Cook <keescook at chromium.org>
---
 lib/kstrtox.c | 14 ++++++++++++++
 1 file changed, 14 insertions(+)

diff --git a/lib/kstrtox.c b/lib/kstrtox.c
index e18f088704d7..09e83a19a96d 100644
--- a/lib/kstrtox.c
+++ b/lib/kstrtox.c
@@ -347,6 +347,20 @@ int kstrtobool(const char *s, unsigned int base, bool *res)
 	case '0':
 		*res = false;
 		return 0;
+	case 'o':
+	case 'O':
+		switch (s[1]) {
+		case 'n':
+		case 'N':
+			*res = true;
+			return 0;
+		case 'f':
+		case 'F':
+			*res = false;
+			return 0;
+		default:
+			break;
+		}
 	default:
 		break;
 	}
-- 
2.6.3