From 2455a8e43d6b052047cf3fce9f417ff7fd619fc9 Mon Sep 17 00:00:00 2001 From: Jani Nikula Date: Mon, 14 Dec 2015 12:50:53 +0200 Subject: [PATCH] drm/i915: don't use a temp buffer for opregion debugfs file MIME-Version: 1.0 Content-Type: text/plain; charset=utf8 Content-Transfer-Encoding: 8bit Hasn't been necessary since commit 115719fceaa733d646e39cdce83cc32ddb891a49 Author: Williams, Dan J Date: Mon Oct 12 21:12:57 2015 +0000 i915: switch from acpi_os_ioremap to memremap Reviewed-by: Ville Syrjälä Signed-off-by: Jani Nikula Link: http://patchwork.freedesktop.org/patch/msgid/74664a556a56d0eceb0029bbd77ffc1d771b0628.1450089383.git.jani.nikula@intel.com --- drivers/gpu/drm/i915/i915_debugfs.c | 11 ++--------- 1 file changed, 2 insertions(+), 9 deletions(-) diff --git a/drivers/gpu/drm/i915/i915_debugfs.c b/drivers/gpu/drm/i915/i915_debugfs.c index 24318b79bcfc..a9e1f18c36d1 100644 --- a/drivers/gpu/drm/i915/i915_debugfs.c +++ b/drivers/gpu/drm/i915/i915_debugfs.c @@ -1842,25 +1842,18 @@ static int i915_opregion(struct seq_file *m, void *unused) struct drm_device *dev = node->minor->dev; struct drm_i915_private *dev_priv = dev->dev_private; struct intel_opregion *opregion = &dev_priv->opregion; - void *data = kmalloc(OPREGION_SIZE, GFP_KERNEL); int ret; - if (data == NULL) - return -ENOMEM; - ret = mutex_lock_interruptible(&dev->struct_mutex); if (ret) goto out; - if (opregion->header) { - memcpy(data, opregion->header, OPREGION_SIZE); - seq_write(m, data, OPREGION_SIZE); - } + if (opregion->header) + seq_write(m, opregion->header, OPREGION_SIZE); mutex_unlock(&dev->struct_mutex); out: - kfree(data); return 0; } -- 2.20.1