From patchwork Tue Mar 26 15:20:26 2013 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Luis Henriques X-Patchwork-Id: 231381 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Received: from huckleberry.canonical.com (huckleberry.canonical.com [91.189.94.19]) by ozlabs.org (Postfix) with ESMTP id A9B4C2C00C9 for ; Wed, 27 Mar 2013 02:24:43 +1100 (EST) Received: from localhost ([127.0.0.1] helo=huckleberry.canonical.com) by huckleberry.canonical.com with esmtp (Exim 4.76) (envelope-from ) id 1UKVjp-0002r0-Tz; Tue, 26 Mar 2013 15:24:37 +0000 Received: from youngberry.canonical.com ([91.189.89.112]) by huckleberry.canonical.com with esmtp (Exim 4.76) (envelope-from ) id 1UKVj3-0001b2-9n for kernel-team@lists.ubuntu.com; Tue, 26 Mar 2013 15:23:49 +0000 Received: from bl20-143-66.dsl.telepac.pt ([2.81.143.66] helo=localhost) by youngberry.canonical.com with esmtpsa (TLS1.0:DHE_RSA_AES_128_CBC_SHA1:16) (Exim 4.71) (envelope-from ) id 1UKVj3-0004qY-3z; Tue, 26 Mar 2013 15:23:49 +0000 From: Luis Henriques To: linux-kernel@vger.kernel.org, stable@vger.kernel.org, kernel-team@lists.ubuntu.com Subject: [PATCH 127/150] sfc: Fix MCDI structure field lookup Date: Tue, 26 Mar 2013 15:20:26 +0000 Message-Id: <1364311249-14454-128-git-send-email-luis.henriques@canonical.com> X-Mailer: git-send-email 1.8.1.2 In-Reply-To: <1364311249-14454-1-git-send-email-luis.henriques@canonical.com> References: <1364311249-14454-1-git-send-email-luis.henriques@canonical.com> X-Extended-Stable: 3.5 Cc: Ben Hutchings X-BeenThere: kernel-team@lists.ubuntu.com X-Mailman-Version: 2.1.14 Precedence: list List-Id: Kernel team discussions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , MIME-Version: 1.0 Errors-To: kernel-team-bounces@lists.ubuntu.com Sender: kernel-team-bounces@lists.ubuntu.com 3.5.7.9 -stable review patch. If anyone has any objections, please let me know. ------------------ From: Ben Hutchings commit 0a6e5008a9df678b48f8d4e57601aa4270df6c14 upstream. The least significant bit number (LBN) of a field within an MCDI structure is counted from the start of the structure, not the containing dword. In MCDI_ARRAY_FIELD() we need to mask it rather than using the usual EFX_DWORD_FIELD() macro. Signed-off-by: Ben Hutchings Signed-off-by: Luis Henriques --- drivers/net/ethernet/sfc/mcdi.h | 6 ++++-- 1 file changed, 4 insertions(+), 2 deletions(-) diff --git a/drivers/net/ethernet/sfc/mcdi.h b/drivers/net/ethernet/sfc/mcdi.h index 0bdf3e3..96f43d2 100644 --- a/drivers/net/ethernet/sfc/mcdi.h +++ b/drivers/net/ethernet/sfc/mcdi.h @@ -107,11 +107,13 @@ extern void efx_mcdi_sensor_event(struct efx_nic *efx, efx_qword_t *ev); #define MCDI_EVENT_FIELD(_ev, _field) \ EFX_QWORD_FIELD(_ev, MCDI_EVENT_ ## _field) #define MCDI_ARRAY_FIELD(_buf, _field1, _type, _index, _field2) \ - EFX_DWORD_FIELD( \ + EFX_EXTRACT_DWORD( \ *((efx_dword_t *) \ (MCDI_ARRAY_PTR(_buf, _field1, _type, _index) + \ (MC_CMD_ ## _type ## _TYPEDEF_ ## _field2 ## _OFST & ~3))), \ - MC_CMD_ ## _type ## _TYPEDEF_ ## _field2) + MC_CMD_ ## _type ## _TYPEDEF_ ## _field2 ## _LBN & 0x1f, \ + (MC_CMD_ ## _type ## _TYPEDEF_ ## _field2 ## _LBN & 0x1f) + \ + MC_CMD_ ## _type ## _TYPEDEF_ ## _field2 ## _WIDTH - 1) extern void efx_mcdi_print_fwver(struct efx_nic *efx, char *buf, size_t len); extern int efx_mcdi_drv_attach(struct efx_nic *efx, bool driver_operating,