linux-next: build failure after merge of the drm tree

[Mark Brown]

Hi all,

After merging the drm tree, today's linux-next build (x86_64 allmodconfig)
failed like this:

/tmp/next/build/drivers/gpu/drm/panthor/panthor_mmu.c:1251:6: error: unused variable 'ret' [-Werror,-Wunused-variable]
 1251 |         int ret;
      |             ^~~

Caused by commit

  6bb0009862c5f (mm/slab: improve kmem_cache_alloc_bulk)

interacting with changes in the drm tree.  I have applied the fixup
below and can carry as needed.

diff --git a/drivers/gpu/drm/panthor/panthor_mmu.c b/drivers/gpu/drm/panthor/panthor_mmu.c
index 3151de6aa1bae..10e32fe26f7e4 100644
--- a/drivers/gpu/drm/panthor/panthor_mmu.c
+++ b/drivers/gpu/drm/panthor/panthor_mmu.c
@@ -1248,7 +1248,6 @@ static int panthor_vm_op_ctx_prealloc_pts(struct panthor_vm_op_ctx *op_ctx)
 {
 	u64 size = op_ctx->va.range;
 	u64 va = op_ctx->va.addr;
-	int ret;
 
 	/* L1, L2 and L3 page tables.
 	 * We could optimize L3 allocation by iterating over the sgt and merging

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