From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id CB6C66FA0 for ; Mon, 16 Jan 2023 16:34:35 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 4FDBFC433EF; Mon, 16 Jan 2023 16:34:35 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1673886875; bh=A86dMdas0c3t8ilFHX1j6HsOWI4koY7VPms9YkKUxno=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=1ajT0uvrWngZZeGqb7ZVP0gIGFMF0yENPkX1MTh6Ybzu1AdCaGM5cvjGCOaFD8pAa opTEYNL4jCL9gttVjQa+JdpVtdpwHs8vvImTu6m4VXDk9HegP48mk30I3Ay1CyocwS jtx1wA+qTtSMpOWHPITYTCpSYwvJWvT+RHCQ7ch8= From: Greg Kroah-Hartman To: stable@vger.kernel.org Cc: Greg Kroah-Hartman , patches@lists.linux.dev, kernel test robot , Leon Romanovsky , Jason Gunthorpe , Sasha Levin Subject: [PATCH 5.4 578/658] RDMA/uverbs: Silence shiftTooManyBitsSigned warning Date: Mon, 16 Jan 2023 16:51:06 +0100 Message-Id: <20230116154935.947295918@linuxfoundation.org> X-Mailer: git-send-email 2.39.0 In-Reply-To: <20230116154909.645460653@linuxfoundation.org> References: <20230116154909.645460653@linuxfoundation.org> User-Agent: quilt/0.67 Precedence: bulk X-Mailing-List: patches@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit From: Leon Romanovsky [ Upstream commit 9b8d846924856570625b93f83ae0624391193bce ] Fix reported by kbuild warning. drivers/infiniband/core/uverbs_cmd.c:1897:47: warning: Shifting signed 32-bit value by 31 bits is undefined behaviour [shiftTooManyBitsSigned] BUILD_BUG_ON(IB_USER_LAST_QP_ATTR_MASK == (1 << 31)); ^ Link: https://lore.kernel.org/r/20200720175627.1273096-3-leon@kernel.org Reported-by: kernel test robot Signed-off-by: Leon Romanovsky Signed-off-by: Jason Gunthorpe Stable-dep-of: 8de8482fe573 ("RDMA/mlx5: Fix validation of max_rd_atomic caps for DC") Signed-off-by: Sasha Levin --- drivers/infiniband/core/uverbs_cmd.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/infiniband/core/uverbs_cmd.c b/drivers/infiniband/core/uverbs_cmd.c index d413dafb9211..39cbb853f913 100644 --- a/drivers/infiniband/core/uverbs_cmd.c +++ b/drivers/infiniband/core/uverbs_cmd.c @@ -1952,7 +1952,7 @@ static int ib_uverbs_ex_modify_qp(struct uverbs_attr_bundle *attrs) * Last bit is reserved for extending the attr_mask by * using another field. */ - BUILD_BUG_ON(IB_USER_LAST_QP_ATTR_MASK == (1 << 31)); + BUILD_BUG_ON(IB_USER_LAST_QP_ATTR_MASK == (1ULL << 31)); if (cmd.base.attr_mask & ~((IB_USER_LAST_QP_ATTR_MASK << 1) - 1)) -- 2.35.1