From patchwork Sun Dec 20 01:39:12 2009 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Subject: [03/18] posix-aio-compat.c: fix warning with _FORTIFY_SOURCE From: "Kirill A. Shutemov" X-Patchwork-Id: 41489 Message-Id: <1261273167-3240-3-git-send-email-kirill@shutemov.name> To: qemu-devel@nongnu.org Cc: "Kirill A. Shutemov" Date: Sun, 20 Dec 2009 03:39:12 +0200 CC posix-aio-compat.o cc1: warnings being treated as errors posix-aio-compat.c: In function 'aio_signal_handler': posix-aio-compat.c:505: error: ignoring return value of 'write', declared with attribute warn_unused_result make: *** [posix-aio-compat.o] Error 1 Signed-off-by: Kirill A. Shutemov --- posix-aio-compat.c | 3 ++- 1 files changed, 2 insertions(+), 1 deletions(-) diff --git a/posix-aio-compat.c b/posix-aio-compat.c index dc14f53..555e263 100644 --- a/posix-aio-compat.c +++ b/posix-aio-compat.c @@ -502,7 +502,8 @@ static void aio_signal_handler(int signum) if (posix_aio_state) { char byte = 0; - write(posix_aio_state->wfd, &byte, sizeof(byte)); + if (write(posix_aio_state->wfd, &byte, sizeof(byte)) != sizeof(byte)) + die("write()"); } qemu_service_io();