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 8993421ABDB; Tue, 29 Apr 2025 17:29:38 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1745947778; cv=none; b=NSfWj7elF8JU+AtuS4nWxsKBi4EkOk60yef1orINV+xXGoQtE7+rzDGwXQgjmDacp9MsQWZtgzkm+rwmIE6KM3LnNZssbp/T+jr3NOT7Y4u4jct/3/N7BFg+VdyR4mYLu37EA/s9CnD21jJu0P0gwdTA2Bss82mxQfGytPlORVY= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1745947778; c=relaxed/simple; bh=EtztFZOfDygbVXJDExWb1XxB8Xz1fWAXV3bps7lOxlg=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=fjjmwHxhIZML4ZDOMK9YK8fvVsokdIRb/MYBIMAN3DHb+ZtWB42LyOfVrr3g7ONf19yt2Ftym+WAJ2Adbx+L6s4Yaedbb7EORq8m/IlEMG8Au0yK3tUuZVR1QXzVyemoydLveL27P0Ug+S4ILBvAkL59uWs3Eh+cg1WHuUu+Y/0= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b=MmZsOID5; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b="MmZsOID5" Received: by smtp.kernel.org (Postfix) with ESMTPSA id B0374C4CEE9; Tue, 29 Apr 2025 17:29:37 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1745947778; bh=EtztFZOfDygbVXJDExWb1XxB8Xz1fWAXV3bps7lOxlg=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=MmZsOID5ppByCMzG5raZjFchq7rhfNI6v2azF5DDDU/0KE57WxDUYg56WzFSBh9UE VMvr/jQzSUdCVWHofRQC6VefVzdqnoOH5Cqx/FKhFPTHVzZcWrxj3T7irsChlFA67U BaWJ8Rmva1yBjGohYWUqBq0eViZsZ2Z8EyCJWkeg= From: Greg Kroah-Hartman To: stable@vger.kernel.org Cc: Greg Kroah-Hartman , patches@lists.linux.dev, Sathya Prakash , Ranjan Kumar , "Martin K. Petersen" Subject: [PATCH 6.12 100/280] scsi: mpi3mr: Fix pending I/O counter Date: Tue, 29 Apr 2025 18:40:41 +0200 Message-ID: <20250429161119.204611271@linuxfoundation.org> X-Mailer: git-send-email 2.49.0 In-Reply-To: <20250429161115.008747050@linuxfoundation.org> References: <20250429161115.008747050@linuxfoundation.org> User-Agent: quilt/0.68 X-stable: review X-Patchwork-Hint: ignore Precedence: bulk X-Mailing-List: stable@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit 6.12-stable review patch. If anyone has any objections, please let me know. ------------------ From: Ranjan Kumar commit cdd445258db9919e9dde497a6d5c3477ea7faf4d upstream. Commit 199510e33dea ("scsi: mpi3mr: Update consumer index of reply queues after every 100 replies") introduced a regression with the per-reply queue pending I/O counter which was erroneously decremented, leading to the counter going negative. Drop the incorrect atomic decrement for the pending I/O counter. Fixes: 199510e33dea ("scsi: mpi3mr: Update consumer index of reply queues after every 100 replies") Cc: stable@vger.kernel.org Co-developed-by: Sathya Prakash Signed-off-by: Sathya Prakash Signed-off-by: Ranjan Kumar Link: https://lore.kernel.org/r/20250411111419.135485-2-ranjan.kumar@broadcom.com Signed-off-by: Martin K. Petersen Signed-off-by: Greg Kroah-Hartman --- drivers/scsi/mpi3mr/mpi3mr_fw.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) --- a/drivers/scsi/mpi3mr/mpi3mr_fw.c +++ b/drivers/scsi/mpi3mr/mpi3mr_fw.c @@ -563,7 +563,7 @@ int mpi3mr_process_op_reply_q(struct mpi WRITE_ONCE(op_req_q->ci, le16_to_cpu(reply_desc->request_queue_ci)); mpi3mr_process_op_reply_desc(mrioc, reply_desc, &reply_dma, reply_qidx); - atomic_dec(&op_reply_q->pend_ios); + if (reply_dma) mpi3mr_repost_reply_buf(mrioc, reply_dma); num_op_reply++;