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
@@ -103,8 +103,9 @@
        char *lm_map;
        struct stat st;
        ssize_t retval;
-       int fd;
+       int fd, errno_copy;
 
+       errno_copy = 0;
        TAILQ_FOREACH(p, &lmc_head, next) {
                if (strcmp(p->path, path) == 0)
                        return;
@@ -117,9 +118,9 @@
                return;
        }
        if (fstat(fd, &st) == -1) {
-               close(fd);
                dbg("lm_parse_file: fstat(\"%s\") failed, %s", path,
                    rtld_strerror(errno));
+               close(fd);
                return;
        }
 
@@ -132,14 +133,15 @@
 
        lm_map = xmalloc(st.st_size);
        retval = read(fd, lm_map, st.st_size);
+       if (retval == -1)
+               errno_copy = errno;
+       close(fd);
        if (retval != st.st_size) {
-               close(fd);
                free(lm_map);
                dbg("lm_parse_file: read(\"%s\") failed, %s", path,
-                   rtld_strerror(errno));
+                   rtld_strerror(errno_copy));
                return;
        }
-       close(fd);
        p = xmalloc(sizeof(struct lmc));
        p->path = xstrdup(path);
        p->dev = st.st_dev;