From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1757879Ab0GGVkz (ORCPT ); Wed, 7 Jul 2010 17:40:55 -0400 Received: from moutng.kundenserver.de ([212.227.17.9]:60471 "EHLO moutng.kundenserver.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1757823Ab0GGVkv (ORCPT ); Wed, 7 Jul 2010 17:40:51 -0400 From: Arnd Bergmann To: linux-kernel@vger.kernel.org Cc: John Kacur , Frederic Weisbecker , Arnd Bergmann , Christoph Hellwig , David Airlie , dri-devel@lists.freedesktop.org Subject: [PATCH 01/18] drm: use noop_llseek Date: Wed, 7 Jul 2010 23:40:03 +0200 Message-Id: <1278538820-1392-2-git-send-email-arnd@arndb.de> X-Mailer: git-send-email 1.7.1 In-Reply-To: <1278538820-1392-1-git-send-email-arnd@arndb.de> References: <1278538820-1392-1-git-send-email-arnd@arndb.de> X-Provags-ID: V02:K0:HBYfIXBHOSMUonnmSPF1X1TqxA6076A7byQgjp8Ic2i MuBjeAWUrMVLvFp9xB/aulhhy9SwMp4QJjRSFSvt1VCgyviowO KEVLCXLt4UTTSKc0CmnyD0GANbKmfCfI+nXZ2utFpGSSz+0DcN BVYJsv95Dp3jZcEiY6sz54SrYPNkKtaIR99Ab/44Fdh92IDSaL 54cF6B/ocjvvDjZrZdAog== Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org The drm device drivers currently allow seeking on the character device but never care about the actual file position. When we change the default llseek operation to be no_llseek, calling llseek on a drm device would return an error condition, which is an API change. Explicitly setting noop_llseek lets us keep the current API. Signed-off-by: Arnd Bergmann Cc: David Airlie Cc: dri-devel@lists.freedesktop.org --- Documentation/DocBook/drm.tmpl | 1 + drivers/gpu/drm/i810/i810_drv.c | 1 + drivers/gpu/drm/i830/i830_drv.c | 1 + drivers/gpu/drm/i915/i915_drv.c | 1 + drivers/gpu/drm/mga/mga_drv.c | 1 + drivers/gpu/drm/nouveau/nouveau_drv.c | 1 + drivers/gpu/drm/r128/r128_drv.c | 1 + drivers/gpu/drm/radeon/radeon_drv.c | 1 + drivers/gpu/drm/savage/savage_drv.c | 1 + drivers/gpu/drm/sis/sis_drv.c | 1 + drivers/gpu/drm/tdfx/tdfx_drv.c | 1 + drivers/gpu/drm/via/via_drv.c | 1 + drivers/gpu/drm/vmwgfx/vmwgfx_drv.c | 1 + 13 files changed, 13 insertions(+), 0 deletions(-) diff --git a/Documentation/DocBook/drm.tmpl b/Documentation/DocBook/drm.tmpl index 910c923..2861055 100644 --- a/Documentation/DocBook/drm.tmpl +++ b/Documentation/DocBook/drm.tmpl @@ -136,6 +136,7 @@ #ifdef CONFIG_COMPAT .compat_ioctl = i915_compat_ioctl, #endif + .llseek = noop_llseek, }, .pci_driver = { .name = DRIVER_NAME, diff --git a/drivers/gpu/drm/i810/i810_drv.c b/drivers/gpu/drm/i810/i810_drv.c index c1e0275..199fdfa 100644 --- a/drivers/gpu/drm/i810/i810_drv.c +++ b/drivers/gpu/drm/i810/i810_drv.c @@ -63,6 +63,7 @@ static struct drm_driver driver = { .mmap = drm_mmap, .poll = drm_poll, .fasync = drm_fasync, + .llseek = noop_llseek, }, .pci_driver = { diff --git a/drivers/gpu/drm/i830/i830_drv.c b/drivers/gpu/drm/i830/i830_drv.c index 44f990b..3be1d7d 100644 --- a/drivers/gpu/drm/i830/i830_drv.c +++ b/drivers/gpu/drm/i830/i830_drv.c @@ -74,6 +74,7 @@ static struct drm_driver driver = { .mmap = drm_mmap, .poll = drm_poll, .fasync = drm_fasync, + .llseek = noop_llseek, }, .pci_driver = { diff --git a/drivers/gpu/drm/i915/i915_drv.c b/drivers/gpu/drm/i915/i915_drv.c index 423dc90..bd8c139 100644 --- a/drivers/gpu/drm/i915/i915_drv.c +++ b/drivers/gpu/drm/i915/i915_drv.c @@ -547,6 +547,7 @@ static struct drm_driver driver = { #ifdef CONFIG_COMPAT .compat_ioctl = i915_compat_ioctl, #endif + .llseek = noop_llseek, }, .pci_driver = { diff --git a/drivers/gpu/drm/mga/mga_drv.c b/drivers/gpu/drm/mga/mga_drv.c index ddfe161..524185f 100644 --- a/drivers/gpu/drm/mga/mga_drv.c +++ b/drivers/gpu/drm/mga/mga_drv.c @@ -75,6 +75,7 @@ static struct drm_driver driver = { #ifdef CONFIG_COMPAT .compat_ioctl = mga_compat_ioctl, #endif + .llseek = noop_llseek, }, .pci_driver = { .name = DRIVER_NAME, diff --git a/drivers/gpu/drm/nouveau/nouveau_drv.c b/drivers/gpu/drm/nouveau/nouveau_drv.c index 2737704..9505fa6 100644 --- a/drivers/gpu/drm/nouveau/nouveau_drv.c +++ b/drivers/gpu/drm/nouveau/nouveau_drv.c @@ -400,6 +400,7 @@ static struct drm_driver driver = { #if defined(CONFIG_COMPAT) .compat_ioctl = nouveau_compat_ioctl, #endif + .llseek = noop_llseek, }, .pci_driver = { .name = DRIVER_NAME, diff --git a/drivers/gpu/drm/r128/r128_drv.c b/drivers/gpu/drm/r128/r128_drv.c index b806fdc..dc22c6e 100644 --- a/drivers/gpu/drm/r128/r128_drv.c +++ b/drivers/gpu/drm/r128/r128_drv.c @@ -71,6 +71,7 @@ static struct drm_driver driver = { #ifdef CONFIG_COMPAT .compat_ioctl = r128_compat_ioctl, #endif + .llseek = noop_llseek, }, .pci_driver = { .name = DRIVER_NAME, diff --git a/drivers/gpu/drm/radeon/radeon_drv.c b/drivers/gpu/drm/radeon/radeon_drv.c index e166fe4..e79dcf5 100644 --- a/drivers/gpu/drm/radeon/radeon_drv.c +++ b/drivers/gpu/drm/radeon/radeon_drv.c @@ -218,6 +218,7 @@ static struct drm_driver driver_old = { #ifdef CONFIG_COMPAT .compat_ioctl = radeon_compat_ioctl, #endif + .llseek = noop_llseek, }, .pci_driver = { diff --git a/drivers/gpu/drm/savage/savage_drv.c b/drivers/gpu/drm/savage/savage_drv.c index 021de44..2a2830f 100644 --- a/drivers/gpu/drm/savage/savage_drv.c +++ b/drivers/gpu/drm/savage/savage_drv.c @@ -54,6 +54,7 @@ static struct drm_driver driver = { .mmap = drm_mmap, .poll = drm_poll, .fasync = drm_fasync, + .llseek = noop_llseek, }, .pci_driver = { diff --git a/drivers/gpu/drm/sis/sis_drv.c b/drivers/gpu/drm/sis/sis_drv.c index 4fd1f06..4f7f80f 100644 --- a/drivers/gpu/drm/sis/sis_drv.c +++ b/drivers/gpu/drm/sis/sis_drv.c @@ -84,6 +84,7 @@ static struct drm_driver driver = { .mmap = drm_mmap, .poll = drm_poll, .fasync = drm_fasync, + .llseek = noop_llseek, }, .pci_driver = { .name = DRIVER_NAME, diff --git a/drivers/gpu/drm/tdfx/tdfx_drv.c b/drivers/gpu/drm/tdfx/tdfx_drv.c index ec5a43e..640567e 100644 --- a/drivers/gpu/drm/tdfx/tdfx_drv.c +++ b/drivers/gpu/drm/tdfx/tdfx_drv.c @@ -52,6 +52,7 @@ static struct drm_driver driver = { .mmap = drm_mmap, .poll = drm_poll, .fasync = drm_fasync, + .llseek = noop_llseek, }, .pci_driver = { .name = DRIVER_NAME, diff --git a/drivers/gpu/drm/via/via_drv.c b/drivers/gpu/drm/via/via_drv.c index 7a1b210..b8984a5 100644 --- a/drivers/gpu/drm/via/via_drv.c +++ b/drivers/gpu/drm/via/via_drv.c @@ -62,6 +62,7 @@ static struct drm_driver driver = { .mmap = drm_mmap, .poll = drm_poll, .fasync = drm_fasync, + .llseek = noop_llseek, }, .pci_driver = { .name = DRIVER_NAME, diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_drv.c b/drivers/gpu/drm/vmwgfx/vmwgfx_drv.c index b793c8c..83d2844 100644 --- a/drivers/gpu/drm/vmwgfx/vmwgfx_drv.c +++ b/drivers/gpu/drm/vmwgfx/vmwgfx_drv.c @@ -745,6 +745,7 @@ static struct drm_driver driver = { #if defined(CONFIG_COMPAT) .compat_ioctl = drm_compat_ioctl, #endif + .llseek = noop_llseek, }, .pci_driver = { .name = VMWGFX_DRIVER_NAME, -- 1.7.1