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
diff --git a/drivers/gpu/drm/i915/i915_debugfs.c b/drivers/gpu/drm/i915/i915_debugfs.c
index 24318b7..a9e1f18 100644
--- a/drivers/gpu/drm/i915/i915_debugfs.c
+++ b/drivers/gpu/drm/i915/i915_debugfs.c
@@ -1842,25 +1842,18 @@
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;
}