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> Testcase: igt@gem_create@create-massive Closes: https://gitlab.freedesktop.org/drm/intel/-/issues/4991 --- 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 e77f9ada31a3..b4ecca21277e 100644 --- a/drivers/gpu/drm/i915/gem/i915_gem_shmem.c +++ b/drivers/gpu/drm/i915/gem/i915_gem_shmem.c @@ -542,6 +542,15 @@ 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
