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[v3] drm/i915: Object w/o backing stroage is banned by -ENXIO

Message ID 1510034667-12378-1-git-send-email-tina.zhang@intel.com (mailing list archive)
State New, archived
Headers show

Commit Message

Zhang, Tina Nov. 7, 2017, 6:04 a.m. UTC 
-ENXIO should be returned when operations are banned from changing
backing storage of objects without backing storage.

v3:
- Separate this patch from "Introduce GEM proxy" patch-set. (Joonas)

v2:
- update the patch description and subject to just mention objects w/o
  backing storage, instead of "GEM proxy". (Joonas)
Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk>

Signed-off-by: Tina Zhang <tina.zhang@intel.com>
---
 drivers/gpu/drm/i915/i915_gem.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
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Patch

diff --git a/drivers/gpu/drm/i915/i915_gem.c b/drivers/gpu/drm/i915/i915_gem.c
index 13bc18d..e85721c 100644
--- a/drivers/gpu/drm/i915/i915_gem.c
+++ b/drivers/gpu/drm/i915/i915_gem.c
@@ -1713,7 +1713,7 @@  i915_gem_mmap_ioctl(struct drm_device *dev, void *data,
 	 */
 	if (!obj->base.filp) {
 		i915_gem_object_put(obj);
-		return -EINVAL;
+		return -ENXIO;
 	}
 
 	addr = vm_mmap(obj->base.filp, 0, args->size,