diff --git a/libexec/rtld-elf/libmap.c b/libexec/rtld-elf/libmap.c
--- a/libexec/rtld-elf/libmap.c
+++ b/libexec/rtld-elf/libmap.c
@@ -133,10 +133,11 @@
        lm_map = xmalloc(st.st_size);
        retval = read(fd, lm_map, st.st_size);
        if (retval != st.st_size) {
-               close(fd);
                free(lm_map);
                dbg("lm_parse_file: read(\"%s\") failed, %s", path,
                    rtld_strerror(errno));
+               /* Call close after errno is used. */
+               close(fd);
                return;
        }
        close(fd);