drm/i915: Treat using a purged buffer as a source of EFAULT
Since a purged buffer is one without any associated pages, attempting to
use it should generate EFAULT rather than EINVAL, as it is not strictly
an invalid parameter.
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
diff --git a/drivers/gpu/drm/i915/i915_gem.c b/drivers/gpu/drm/i915/i915_gem.c
index a6c9f2e..a8a069f 100644
--- a/drivers/gpu/drm/i915/i915_gem.c
+++ b/drivers/gpu/drm/i915/i915_gem.c
@@ -1619,7 +1619,7 @@
if (obj->madv != I915_MADV_WILLNEED) {
DRM_ERROR("Attempting to mmap a purgeable buffer\n");
- ret = -EINVAL;
+ ret = -EFAULT;
goto out;
}
@@ -1973,7 +1973,7 @@
if (obj->madv != I915_MADV_WILLNEED) {
DRM_ERROR("Attempting to obtain a purgeable object\n");
- return -EINVAL;
+ return -EFAULT;
}
BUG_ON(obj->pages_pin_count);
@@ -3917,7 +3917,7 @@
if (obj->madv != I915_MADV_WILLNEED) {
DRM_ERROR("Attempting to pin a purgeable buffer\n");
- ret = -EINVAL;
+ ret = -EFAULT;
goto out;
}