Ignore this patch version as v4 is pushed. Regards Sunil Khatri
On 04-02-2026 11:54 am, Sunil Khatri wrote:
In low memory conditions when kmalloc can fail and hence we need to clean up the bo list and unlock the mutex for clean exit. Fixes: 737da5363cc0 ("drm/amdgpu: update the functions to use amdgpu version of hmm") Reported-by: kernel test robot <[email protected]> Reported-by: Dan Carpenter <[email protected]> Closes: https://lore.kernel.org/r/[email protected]/ Signed-off-by: Sunil Khatri <[email protected]> --- drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c | 8 ++++++-- 1 file changed, 6 insertions(+), 2 deletions(-) diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c index d591dce0f3b3..b166bccecee3 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c @@ -892,8 +892,10 @@ static int amdgpu_cs_parser_bos(struct amdgpu_cs_parser *p, struct amdgpu_bo *bo = e->bo;e->range = amdgpu_hmm_range_alloc(NULL);- if (unlikely(!e->range)) - return -ENOMEM; + if (unlikely(!e->range)) { + r = -ENOMEM; + goto out_free_user_pages; + }r = amdgpu_ttm_tt_get_user_pages(bo, e->range);if (r) @@ -998,6 +1000,8 @@ static int amdgpu_cs_parser_bos(struct amdgpu_cs_parser *p, amdgpu_hmm_range_free(e->range); e->range = NULL; } + + amdgpu_bo_list_put(p->bo_list); mutex_unlock(&p->bo_list->bo_list_mutex); return r; }
