Commit 57ed71fa authored Feb 20, 2019 by Hareesh Gundu

msm: kgsl: Ensure _free_pt() gets called on error case



During the global pt initialization there is possibility that
we set invalid token in iommu_fault_handler on error of
smmu aperture programming. Fix this to handle the error
gracefully to avoid incorrect pointer dereferences.

Change-Id: Ib1c24c1d078c68fd86de9f19cbb72bf7b2b57f21
Signed-off-by: Hareesh Gundu <hareeshg@codeaurora.org>

parent 5278bae1

drivers/gpu/msm/kgsl_iommu.c

+1 −1

Original line number	Diff line number	Diff line
		@@ -1257,7 +1257,7 @@ static int _init_global_pt(struct kgsl_mmu mmu, struct kgsl_pagetable pt)
		if (ret) {
		pr_err("SMMU aperture programming call failed with error %d\n",
		ret);
		return ret;
		goto done;
		}
		}