devmem: fixlet in cleanup code

diff --git a/miscutils/devmem.c b/miscutils/devmem.c
index 4903b5dcba0495dde67836118514a3fc8f22ea3b..e13dedc0a5dccc8347eef0272b02a778dd62081b 100644 (file)
--- a/miscutils/devmem.c
+++ b/miscutils/devmem.c
@@ -119,7 +119,7 @@ int devmem_main(int argc UNUSED_PARAM, char **argv)
        }
 
        if (ENABLE_FEATURE_CLEAN_UP) {
-               if (munmap(map_base, page_size) == -1)
+               if (munmap(map_base, page_size * 2) == -1)
                        bb_perror_msg_and_die("munmap");
                close(fd);
        }