avoid "write_in_full(fd, buf, len) != len" pattern

diff --git a/diff.c b/diff.c
index 9c382580306e340ed6333f96bc4919c4c507a7b9..6f58bca2f9256ae4ff413db5a13eb249866945e5 100644 (file)
--- a/diff.c
+++ b/diff.c
@@ -2975,7 +2975,7 @@ static void prep_temp_blob(const char *path, struct diff_tempfile *temp,
                blob = buf.buf;
                size = buf.len;
        }
-       if (write_in_full(fd, blob, size) != size)
+       if (write_in_full(fd, blob, size) < 0)
                die_errno("unable to write temp-file");
        close_tempfile(&temp->tempfile);
        temp->name = get_tempfile_path(&temp->tempfile);