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authorJani Nikula <jani.nikula@intel.com>2015-12-14 12:50:53 +0200
committerJani Nikula <jani.nikula@intel.com>2015-12-16 11:29:42 +0200
commit2455a8e43d6b052047cf3fce9f417ff7fd619fc9 (patch)
tree85510692d35400f4265c1cd33020dd0f1e9ca3ce /drivers/gpu/drm/i915/i915_debugfs.c
parent827303855da8722569999a56ab2ac0c96c567a4d (diff)
downloadlwn-2455a8e43d6b052047cf3fce9f417ff7fd619fc9.tar.gz
lwn-2455a8e43d6b052047cf3fce9f417ff7fd619fc9.zip
drm/i915: don't use a temp buffer for opregion debugfs file
Hasn't been necessary since commit 115719fceaa733d646e39cdce83cc32ddb891a49 Author: Williams, Dan J <dan.j.williams@intel.com> Date: Mon Oct 12 21:12:57 2015 +0000 i915: switch from acpi_os_ioremap to memremap Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com> Signed-off-by: Jani Nikula <jani.nikula@intel.com> Link: http://patchwork.freedesktop.org/patch/msgid/74664a556a56d0eceb0029bbd77ffc1d771b0628.1450089383.git.jani.nikula@intel.com
Diffstat (limited to 'drivers/gpu/drm/i915/i915_debugfs.c')
-rw-r--r--drivers/gpu/drm/i915/i915_debugfs.c11
1 files 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;
}