2 files changed, 11 insertions, 1 deletions
diff --git a/Documentation/pcmcia/Makefile b/Documentation/pcmcia/Makefile
new file mode 100644
index 0000000..accde87
--- /dev/null
+++ b/Documentation/pcmcia/Makefile
@@ -0,0 +1,10 @@
+# kbuild trick to avoid linker error. Can be omitted if a module is built.
+obj- := dummy.o
+
+# List of programs to build
+hostprogs-y := crc32hash
+
+# Tell kbuild to always build the programs
+always := $(hostprogs-y)
+
+HOSTCFLAGS_crc32hash.o += -I$(objtree)/usr/include
diff --git a/Documentation/pcmcia/crc32hash.c b/Documentation/pcmcia/crc32hash.c
index cbc36d2..4210e5a 100644
--- a/Documentation/pcmcia/crc32hash.c
+++ b/Documentation/pcmcia/crc32hash.c
@@ -26,7 +26,7 @@ int main(int argc, char **argv) {
 		printf("no string passed as argument\n");
 		return -1;
 	}
-	result = crc32(argv[1], strlen(argv[1]));
+	result = crc32((unsigned char const *)argv[1], strlen(argv[1]));
 	printf("0x%x\n", result);
 	return 0;
 }