sched_getaffinity: Check arguments in the same order as in Linux

(1) Check if size is large enough
(2) Check if size is positive

Fujitsu: POSTK_DEBUG_TEMP_FIX_5
Refs: #1121
Change-Id: I3e41720c89ef89294820f7f4fa8df1a69a7011b0

test/issues/1121/Makefile

@@ -0,0 +1,14 @@
+CC = gcc
+TARGET=
+
+CPPFLAGS =
+LDFLAGS =
+
+all: $(TARGET)
+
+test: all
+	@sh ./C1121.sh
+
+clean:
+	rm -f $(TARGET) *.o
+