diff options
author | Ingo Molnar <mingo@kernel.org> | 2018-04-05 09:20:34 +0200 |
---|---|---|
committer | Ingo Molnar <mingo@kernel.org> | 2018-04-05 09:20:34 +0200 |
commit | ea2a6af517714c52a1209795a03e863e96b460bb (patch) | |
tree | 3bd443bc9b23ceeaf3743eaf2d6d35ec63c620c9 /drivers/gpu/drm/i915/i915_ioc32.c | |
parent | 1b5d43cfb69759d8ef8d30469cea31d0c037aed5 (diff) | |
parent | 642e7fd23353e22290e3d51719fcb658dc252342 (diff) | |
download | talos-obmc-linux-ea2a6af517714c52a1209795a03e863e96b460bb.tar.gz talos-obmc-linux-ea2a6af517714c52a1209795a03e863e96b460bb.zip |
Merge branch 'linus' into sched/urgent, to pick up fixes and updates
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'drivers/gpu/drm/i915/i915_ioc32.c')
-rw-r--r-- | drivers/gpu/drm/i915/i915_ioc32.c | 27 |
1 files changed, 12 insertions, 15 deletions
diff --git a/drivers/gpu/drm/i915/i915_ioc32.c b/drivers/gpu/drm/i915/i915_ioc32.c index 97f3a5640289..0e5c580d117c 100644 --- a/drivers/gpu/drm/i915/i915_ioc32.c +++ b/drivers/gpu/drm/i915/i915_ioc32.c @@ -1,11 +1,6 @@ -/** - * \file i915_ioc32.c - * +/* * 32-bit ioctl compatibility routines for the i915 DRM. * - * \author Alan Hourihane <alanh@fairlite.demon.co.uk> - * - * * Copyright (C) Paul Mackerras 2005 * Copyright (C) Alan Hourihane 2005 * All Rights Reserved. @@ -28,6 +23,8 @@ * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS * IN THE SOFTWARE. + * + * Author: Alan Hourihane <alanh@fairlite.demon.co.uk> */ #include <linux/compat.h> @@ -55,10 +52,10 @@ static int compat_i915_getparam(struct file *file, unsigned int cmd, return -EFAULT; request = compat_alloc_user_space(sizeof(*request)); - if (!access_ok(VERIFY_WRITE, request, sizeof(*request)) - || __put_user(req32.param, &request->param) - || __put_user((void __user *)(unsigned long)req32.value, - &request->value)) + if (!access_ok(VERIFY_WRITE, request, sizeof(*request)) || + __put_user(req32.param, &request->param) || + __put_user((void __user *)(unsigned long)req32.value, + &request->value)) return -EFAULT; return drm_ioctl(file, DRM_IOCTL_I915_GETPARAM, @@ -70,13 +67,13 @@ static drm_ioctl_compat_t *i915_compat_ioctls[] = { }; /** + * i915_compat_ioctl - handle the mistakes of the past + * @filp: the file pointer + * @cmd: the ioctl command (and encoded flags) + * @arg: the ioctl argument (from userspace) + * * Called whenever a 32-bit process running under a 64-bit kernel * performs an ioctl on /dev/dri/card<n>. - * - * \param filp file pointer. - * \param cmd command. - * \param arg user argument. - * \return zero on success or negative number on failure. */ long i915_compat_ioctl(struct file *filp, unsigned int cmd, unsigned long arg) { |