The __shmem_file_setup() function returns -EINVAL if size is greater than
MAX_LFS_FILESIZE. To handle the same error as other code that returns
-E2BIG when the size is too large, it add a code that returns -E2BIG when
the size is larger than the size that can be handled.
Signed-off-by: Gwan-gyeong Mun <gwan-gyeong....@intel.com>
Cc: Chris Wilson <ch...@chris-wilson.co.uk>
Cc: Matthew Auld <matthew.a...@intel.com>
Cc: Thomas Hellström <thomas.hellst...@linux.intel.com>
Reviewed-by: Nirmoy Das <nirmoy....@intel.com>
---
drivers/gpu/drm/i915/gem/i915_gem_shmem.c | 9 +++++++++
1 file changed, 9 insertions(+)
diff --git a/drivers/gpu/drm/i915/gem/i915_gem_shmem.c
b/drivers/gpu/drm/i915/gem/i915_gem_shmem.c
index 604e8829e8ea..8495e87432f6 100644
--- a/drivers/gpu/drm/i915/gem/i915_gem_shmem.c
+++ b/drivers/gpu/drm/i915/gem/i915_gem_shmem.c
@@ -541,6 +541,15 @@ static int __create_shmem(struct drm_i915_private *i915,
drm_gem_private_object_init(&i915->drm, obj, size);
+ /* XXX: The __shmem_file_setup() function returns -EINVAL if size is
+ * greater than MAX_LFS_FILESIZE.
+ * To handle the same error as other code that returns -E2BIG when
+ * the size is too large, we add a code that returns -E2BIG when the
+ * size is larger than the size that can be handled.
+ */
+ if (size > MAX_LFS_FILESIZE)
+ return -E2BIG;
+
if (i915->mm.gemfs)
filp = shmem_file_setup_with_mnt(i915->mm.gemfs, "i915", size,
flags);
--
2.34.1
