This is a note to let you know that I've just added the patch titled drm/i915/selftests: fix a couple IS_ERR() vs NULL tests to the 5.18-stable tree which can be found at: http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary The filename of the patch is: drm-i915-selftests-fix-a-couple-is_err-vs-null-tests.patch and it can be found in the queue-5.18 subdirectory. If you, or anyone else, feels it should not be added to the stable tree, please let <stable@xxxxxxxxxxxxxxx> know about it. commit 9fd04955b70bd03490a897241003e966e9d1bb96 Author: Dan Carpenter <dan.carpenter@xxxxxxxxxx> Date: Fri Jul 8 12:41:04 2022 +0300 drm/i915/selftests: fix a couple IS_ERR() vs NULL tests [ Upstream commit 896dcabd1f8f613c533d948df17408c41f8929f5 ] The shmem_pin_map() function doesn't return error pointers, it returns NULL. Fixes: be1cb55a07bf ("drm/i915/gt: Keep a no-frills swappable copy of the default context state") Signed-off-by: Dan Carpenter <dan.carpenter@xxxxxxxxxx> Reviewed-by: Matthew Auld <matthew.auld@xxxxxxxxx> Signed-off-by: Matthew Auld <matthew.auld@xxxxxxxxx> Link: https://patchwork.freedesktop.org/patch/msgid/20220708094104.GL2316@kadam (cherry picked from commit d50f5a109cf4ed50c5b575c1bb5fc3bd17b23308) Signed-off-by: Rodrigo Vivi <rodrigo.vivi@xxxxxxxxx> Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx> diff --git a/drivers/gpu/drm/i915/gt/selftest_lrc.c b/drivers/gpu/drm/i915/gt/selftest_lrc.c index 21c29d315cc0..9d42a7c67a8c 100644 --- a/drivers/gpu/drm/i915/gt/selftest_lrc.c +++ b/drivers/gpu/drm/i915/gt/selftest_lrc.c @@ -155,8 +155,8 @@ static int live_lrc_layout(void *arg) continue; hw = shmem_pin_map(engine->default_state); - if (IS_ERR(hw)) { - err = PTR_ERR(hw); + if (!hw) { + err = -ENOMEM; break; } hw += LRC_STATE_OFFSET / sizeof(*hw); @@ -331,8 +331,8 @@ static int live_lrc_fixed(void *arg) continue; hw = shmem_pin_map(engine->default_state); - if (IS_ERR(hw)) { - err = PTR_ERR(hw); + if (!hw) { + err = -ENOMEM; break; } hw += LRC_STATE_OFFSET / sizeof(*hw);