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authorThomas Hellström <thomas.hellstrom@linux.intel.com>2025-12-04 22:54:56 +0100
committerThomas Hellström <thomas.hellstrom@linux.intel.com>2025-12-04 22:54:56 +0100
commit3f1c07fc21c68bd3bd2df9d2c9441f6485e934d9 (patch)
tree2bbe746323ca53170b1c6f18f67178021d5854f5 /drivers/gpu/drm/msm/msm_iommu.c
parentd72312d730450aab225a80bc84436757b85b08b5 (diff)
parent0692602defb0c273f80dec9c564ca50726404aca (diff)
Merge drm/drm-next into drm-xe-next-fixes
Backmerging to be able do to a clean PR. Signed-off-by: Thomas Hellström <thomas.hellstrom@linux.intel.com>
Diffstat (limited to 'drivers/gpu/drm/msm/msm_iommu.c')
-rw-r--r--drivers/gpu/drm/msm/msm_iommu.c5
1 files changed, 5 insertions, 0 deletions
diff --git a/drivers/gpu/drm/msm/msm_iommu.c b/drivers/gpu/drm/msm/msm_iommu.c
index 0e18619f96cb..a188617653e8 100644
--- a/drivers/gpu/drm/msm/msm_iommu.c
+++ b/drivers/gpu/drm/msm/msm_iommu.c
@@ -338,6 +338,8 @@ msm_iommu_pagetable_prealloc_allocate(struct msm_mmu *mmu, struct msm_mmu_preall
ret = kmem_cache_alloc_bulk(pt_cache, GFP_KERNEL, p->count, p->pages);
if (ret != p->count) {
+ kfree(p->pages);
+ p->pages = NULL;
p->count = ret;
return -ENOMEM;
}
@@ -351,6 +353,9 @@ msm_iommu_pagetable_prealloc_cleanup(struct msm_mmu *mmu, struct msm_mmu_preallo
struct kmem_cache *pt_cache = get_pt_cache(mmu);
uint32_t remaining_pt_count = p->count - p->ptr;
+ if (!p->pages)
+ return;
+
if (p->count > 0)
trace_msm_mmu_prealloc_cleanup(p->count, remaining_pt_count);