From mboxrd@z Thu Jan 1 00:00:00 1970 Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.remote-ip=100.103.45.18 ARC-Seal: i=1; d=subspace.kernel.org; s=arc20261015; a=rsa-sha256; cv=none; t=1793210487; b=1brWKcLuiKNZe5u430WhGxqONG6fRQaxZ4/o0K5PIbzVfeEFMB7ZK2wgn4rEURIgbVxc GKuStVKH+GUPOJQlKzo0fbG+Nysj4nwkSzvS39iboC+DfvZ5Z398CEMjT1ZzPq4PXJdh5 DpUp7s6IVvOLPBBJM1DGecjmfEdaHXy/afyFszfI6REIj9T+EwC/3ft5uFInRgMRbI5Tj EPYA2N9Ow0lQTUvgS0M/eCD5MIT2HlpRDotAbF6rYIn8ohZJdSOrI/XjgSId4JhkqnXmU JuTO1v8KenUu5RnvV3ey5QTAMwf8jQW7ineb2R1GXYRDVnyNUOfbLNUoPMYx1GPzV0w== ARC-Message-Signature: i=1; d=subspace.kernel.org; s=arc20261015; a=rsa-sha256; c=relaxed/relaxed; t=1793210487; h=Received:DKIM-Signature:From:To:Cc:Subject:Date:Message-ID:X-Mailer: In-Reply-To:References:User-Agent:X-stable:X-Patchwork-Hint: MIME-Version:Content-Type:Content-Transfer-Encoding; bh=HseXowtUJk7+J7+DLswiiFQSYflX6Hw8iC0/Ny25Izo=; b=T/NXFK9xMtykVSfVUYWsSqSphEfBJkhyc4FFDwnWEv3ljVMrJzz+I5jOwV2Bv+0dtPQ6 DOBuFprNvl8o14R+dJcN2GXoXIj9rsvBX2YiAPB76K0vO0d3p441qOj/6WGq0GfSLd/+b SeclCu8WJ71gDB0phkdzK0dltMGv6QEwYqLggtbqzSARexCKXh6NnlSQEAB/uQPhP8un6 WxOAxjpVfgA3JtYVAKnXObhIfJrmGX+cPHPqFYIvmhD6e//emHbILchE2yS507MYrV49h Ubk9xFfAGDkgwN21tEgb6BsuTukh6/laIR10gia3cGb48MVOJVhaFdoT20iyB7KBoGQ== ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dkim=pass header.d=linuxfoundation.org header.i=@linuxfoundation.org header.a=rsa-sha256 header.s=korg header.b=Im8VPxHb; arc=none smtp.remote-ip=100.103.45.18 Received: from smtp.kernel.org (quasi.space.kernel.org [100.103.45.18]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature ECDSA (prime256v1)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id B1F9E606A31D; Wed, 28 Oct 2026 18:01:26 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key, unprotected) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.a=rsa-sha256 header.s=korg header.b=Im8VPxHb Received: by smtp.kernel.org (Postfix) with ESMTPSA id F1CED1F01825; Wed, 28 Oct 2026 18:01:25 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linuxfoundation.org; s=korg; t=1793210486; bh=HseXowtUJk7+J7+DLswiiFQSYflX6Hw8iC0/Ny25Izo=; h=From:To:Cc:Subject:Date:In-Reply-To:References; b=Im8VPxHbB8LC8TePvhcvb2CAhaQR0GPweJvXuLbhKYRT0BmR08T18+EuuZ4ljDTtX x6kxWDeA3sfz6gAFI8R8wUeV+6JIFT47bUhZ1i8GLgoyl5ZXcUXlH3qtum/61Ktu69 Di/CMXRq5ki0Eeyn0A7NeDSEYxZiRj6HjWhsQjxQ= From: Greg Kroah-Hartman To: stable@vger.kernel.org Cc: Greg Kroah-Hartman , patches@lists.linux.dev, Adrian Hunter , Ian Rogers , Jiri Olsa , Namhyung Kim , Arnaldo Carvalho de Melo , Florian Fainelli , Sasha Levin Subject: [PATCH 5.15 044/571] perf test bpf: Address error about non-null argument for epoll_pwait 2nd arg Date: Wed, 28 Oct 2026 17:53:11 +0100 Message-ID: <20261028170009.072643831@linuxfoundation.org> X-Mailer: git-send-email 2.56.0 In-Reply-To: <20261028170008.009143722@linuxfoundation.org> References: <20261028170008.009143722@linuxfoundation.org> User-Agent: quilt/0.69 X-stable: review X-Patchwork-Hint: ignore X-Mailing-List: patches@lists.linux.dev List-Id: List-Post: List-Help: List-Subscribe: List-Unsubscribe: List-Owner: Precedence: list MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit 5.15-stable review patch. If anyone has any objections, please let me know. ------------------ From: Arnaldo Carvalho de Melo commit ed847e30f001b207013b6136c264454d7560557f upstream First noticed on Fedora Rawhide: tests/bpf.c: In function ‘epoll_pwait_loop’: tests/bpf.c:36:17: error: argument 2 null where non-null expected [-Werror=nonnull] 36 | epoll_pwait(-(i + 1), NULL, 0, 0, NULL); | ^~~~~~~~~~~ In file included from tests/bpf.c:5: /usr/include/sys/epoll.h:134:12: note: in a call to function ‘epoll_pwait’ declared ‘nonnull’ 134 | extern int epoll_pwait (int __epfd, struct epoll_event *__events, | ^~~~~~~~~~~ [perfbuilder@27cfe44d67ed perf-6.5.0-rc2]$ gcc -v Using built-in specs. COLLECT_GCC=gcc COLLECT_LTO_WRAPPER=/usr/libexec/gcc/x86_64-redhat-linux/13/lto-wrapper OFFLOAD_TARGET_NAMES=nvptx-none OFFLOAD_TARGET_DEFAULT=1 Target: x86_64-redhat-linux Configured with: ../configure --enable-bootstrap --enable-languages=c,c++,fortran,objc,obj-c++,ada,go,d,m2,lto --prefix=/usr --mandir=/usr/share/man --infodir=/usr/share/info --with-bugurl=http://bugzilla.redhat.com/bugzilla --enable-shared --enable-threads=posix --enable-checking=release --enable-multilib --with-system-zlib --enable-__cxa_atexit --disable-libunwind-exceptions --enable-gnu-unique-object --enable-linker-build-id --with-gcc-major-version-only --enable-libstdcxx-backtrace --with-libstdcxx-zoneinfo=/usr/share/zoneinfo --with-linker-hash-style=gnu --enable-plugin --enable-initfini-array --with-isl=/builddir/build/BUILD/gcc-13.2.1-20230728/obj-x86_64-redhat-linux/isl-install --enable-offload-targets=nvptx-none --without-cuda-driver --enable-offload-defaulted --enable-gnu-indirect-function --enable-cet --with-tune=generic --with-arch_32=i686 --build=x86_64-redhat-linux --with-build-config=bootstrap-lto --enable-link-serialization=1 Thread model: posix Supported LTO compression algorithms: zlib zstd gcc version 13.2.1 20230728 (Red Hat 13.2.1-1) (GCC) [perfbuilder@27cfe44d67ed perf-6.5.0-rc2]$ Just add that argument to address this compiler warning. Cc: Adrian Hunter Cc: Ian Rogers Cc: Jiri Olsa Cc: Namhyung Kim Link: https://lore.kernel.org/lkml/ZMj8+bvN86D0ZKiB@kernel.org Signed-off-by: Arnaldo Carvalho de Melo Signed-off-by: Florian Fainelli Signed-off-by: Sasha Levin --- tools/perf/tests/bpf.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/tools/perf/tests/bpf.c b/tools/perf/tests/bpf.c index fa03ff0dc0831..4486de74eca9d 100644 --- a/tools/perf/tests/bpf.c +++ b/tools/perf/tests/bpf.c @@ -29,11 +29,12 @@ static int epoll_pwait_loop(void) { + struct epoll_event events; int i; /* Should fail NR_ITERS times */ for (i = 0; i < NR_ITERS; i++) - epoll_pwait(-(i + 1), NULL, 0, 0, NULL); + epoll_pwait(-(i + 1), &events, 0, 0, NULL); return 0; } -- 2.53.0