[PATCH] Fix potential NULL pointer deref in gen_init_cpio

Fix potential NULL pointer deref in gen_init_cpio.c spotted by coverity
checker. This fixes coverity bug #86

Without this patch we risk dereferencing a NULL `type' in the
"if ('\n' == *type) {" line.

Signed-off-by: Jesper Juhl <[e-mail]>
Signed-off-by: Andrew Morton <[e-mail]>
Signed-off-by: Linus Torvalds <[e-mail]>

usr/gen_init_cpio.c

···
 				"ERROR: incorrect format, could not locate file type line %d: '%s'\n",
 				line_nr, line);
 			ec = -1;
+			break;
 		}
 
 		if ('\n' == *type) {
···
 				line_nr, line);
 		}
 	}
-	cpio_trailer();
+	if (ec == 0)
+		cpio_trailer();
 
 	exit(ec);
 }