efivars: fix return code

Was returning 1 on read error.

diff --git a/src/shared/efivars.c b/src/shared/efivars.c
index 4fb77428f22a2b94d79f1ca349a225b40d898582..06cf127de159c174f262fc4119952361843c315b 100644 (file)
--- a/src/shared/efivars.c
+++ b/src/shared/efivars.c
@@ -111,7 +111,7 @@ int efi_get_variable(
         n = read(fd, r, (size_t) st.st_size - 4);
         if (n < 0) {
                 free(r);
-                return (int) -n;
+                return -errno;
         }
         if (n != (ssize_t) st.st_size - 4) {
                 free(r);