Re: [PATCH v2 1/5] drm/i915: Use kernel_write() in shmem object create

[Chentaotao]

在 2025/6/24 20:23, Matthew Wilcox 写道:
On Tue, Jun 24, 2025 at 12:12:04PM +0000, 陈涛涛 Taotao Chen wrote:
+++ b/drivers/gpu/drm/i915/gem/i915_gem_shmem.c
@@ -637,8 +637,7 @@ i915_gem_object_create_shmem_from_data(struct 
drm_i915_private *i915,
  {
        struct drm_i915_gem_object *obj;
        struct file *file;
-       const struct address_space_operations *aops;
-       loff_t pos;
+       loff_t pos = 0;
        int err;
I think 'err' needs to become ssize_t to avoid writes larger than 2GB
from being misinterpreted as errors.

Thanks for the great catch! I’ve changed int err; to ssize_t err; as you 
suggested.