drm/i915: Do not leak dev_priv->l3_parity.remap_info[]
Add intel_irq_fini() for placing the deinitialization code,
starting with freeing dev_priv->l3_parity.remap_info[].
Signed-off-by: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
Cc: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
Cc: Mika Kuoppala <mika.kuoppala@intel.com>
Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk>
Link: http://patchwork.freedesktop.org/patch/msgid/1493366319-18515-1-git-send-email-joonas.lahtinen@linux.intel.com
diff --git a/drivers/gpu/drm/i915/i915_sysfs.c b/drivers/gpu/drm/i915/i915_sysfs.c
index a6ad1c2..1eef3fa 100644
--- a/drivers/gpu/drm/i915/i915_sysfs.c
+++ b/drivers/gpu/drm/i915/i915_sysfs.c
@@ -181,8 +181,8 @@ i915_l3_write(struct file *filp, struct kobject *kobj,
struct drm_i915_private *dev_priv = kdev_minor_to_i915(kdev);
struct drm_device *dev = &dev_priv->drm;
struct i915_gem_context *ctx;
- u32 *temp = NULL; /* Just here to make handling failures easy */
int slice = (int)(uintptr_t)attr->private;
+ u32 **remap_info;
int ret;
ret = l3_access_valid(dev_priv, offset);
@@ -193,11 +193,12 @@ i915_l3_write(struct file *filp, struct kobject *kobj,
if (ret)
return ret;
- if (!dev_priv->l3_parity.remap_info[slice]) {
- temp = kzalloc(GEN7_L3LOG_SIZE, GFP_KERNEL);
- if (!temp) {
- mutex_unlock(&dev->struct_mutex);
- return -ENOMEM;
+ remap_info = &dev_priv->l3_parity.remap_info[slice];
+ if (!*remap_info) {
+ *remap_info = kzalloc(GEN7_L3LOG_SIZE, GFP_KERNEL);
+ if (!*remap_info) {
+ ret = -ENOMEM;
+ goto out;
}
}
@@ -205,18 +206,18 @@ i915_l3_write(struct file *filp, struct kobject *kobj,
* aren't propagated. Since I cannot find a stable way to reset the GPU
* at this point it is left as a TODO.
*/
- if (temp)
- dev_priv->l3_parity.remap_info[slice] = temp;
-
- memcpy(dev_priv->l3_parity.remap_info[slice] + (offset/4), buf, count);
+ memcpy(*remap_info + (offset/4), buf, count);
/* NB: We defer the remapping until we switch to the context */
list_for_each_entry(ctx, &dev_priv->context_list, link)
ctx->remap_slice |= (1<<slice);
+ ret = count;
+
+out:
mutex_unlock(&dev->struct_mutex);
- return count;
+ return ret;
}
static struct bin_attribute dpf_attrs = {