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authorsaturneric <[email protected]>2025-12-02 21:44:00 +0000
committersaturneric <[email protected]>2025-12-02 21:44:00 +0000
commitaa766e96efd6b62fd4dc7750134624f2c633cc55 (patch)
tree06078a9d8cbb6227f541e18545aa68f082d86242 /drivers/gpu/drm/msm/msm_iommu.c
parentMerge tag 'v6.17.8' into linux-6.17.y (diff)
parentLinux 6.17.10 (diff)
downloadkernel-linux-6.17.y.tar.gz
kernel-linux-6.17.y.zip
Merge tag 'v6.17.10' into linux-6.17.ylinux-6.17.y
This is the 6.17.10 stable release
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 76cdd5ea06a0..10ef47ffb787 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);