From: Denis Efremov efremov@linux.com
commit 114427b8927a4def2942b2b886f7e4aeae289ccb upstream.
Use kvfree() to free bo->sgts, because the memory is allocated with kvmalloc_array() in panfrost_mmu_map_fault_addr().
Fixes: 187d2929206e ("drm/panfrost: Add support for GPU heap allocations") Cc: stable@vger.kernel.org Signed-off-by: Denis Efremov efremov@linux.com Reviewed-by: Steven Price steven.price@arm.com Signed-off-by: Steven Price steven.price@arm.com Link: https://patchwork.freedesktop.org/patch/msgid/20200608151728.234026-1-efremo... Signed-off-by: Greg Kroah-Hartman gregkh@linuxfoundation.org
--- drivers/gpu/drm/panfrost/panfrost_gem.c | 2 +- drivers/gpu/drm/panfrost/panfrost_mmu.c | 2 +- 2 files changed, 2 insertions(+), 2 deletions(-)
--- a/drivers/gpu/drm/panfrost/panfrost_gem.c +++ b/drivers/gpu/drm/panfrost/panfrost_gem.c @@ -46,7 +46,7 @@ static void panfrost_gem_free_object(str sg_free_table(&bo->sgts[i]); } } - kfree(bo->sgts); + kvfree(bo->sgts); }
drm_gem_shmem_free_object(obj); --- a/drivers/gpu/drm/panfrost/panfrost_mmu.c +++ b/drivers/gpu/drm/panfrost/panfrost_mmu.c @@ -486,7 +486,7 @@ static int panfrost_mmu_map_fault_addr(s pages = kvmalloc_array(bo->base.base.size >> PAGE_SHIFT, sizeof(struct page *), GFP_KERNEL | __GFP_ZERO); if (!pages) { - kfree(bo->sgts); + kvfree(bo->sgts); bo->sgts = NULL; mutex_unlock(&bo->base.pages_lock); ret = -ENOMEM;