_GNU_SOURCE is provided by lib.mk, so it should be dropped to prevent redefinition warnings. Reviewed-by: John Hubbard <jhubbard@xxxxxxxxxx> Reviewed-by: Muhammad Usama Anjum <usama.anjum@xxxxxxxxxxxxx> Signed-off-by: Edward Liaw <edliaw@xxxxxxxxxx> --- tools/testing/selftests/drivers/dma-buf/udmabuf.c | 1 - 1 file changed, 1 deletion(-) diff --git a/tools/testing/selftests/drivers/dma-buf/udmabuf.c b/tools/testing/selftests/drivers/dma-buf/udmabuf.c index c812080e304e..7c8dbab8ac44 100644 --- a/tools/testing/selftests/drivers/dma-buf/udmabuf.c +++ b/tools/testing/selftests/drivers/dma-buf/udmabuf.c @@ -1,5 +1,4 @@ // SPDX-License-Identifier: GPL-2.0 -#define _GNU_SOURCE #define __EXPORTED_HEADERS__ #include <stdio.h> -- 2.45.1.288.g0e0cd299f1-goog