Commit 85de55ff authored Jun 26, 2015 by Mitchel Humpherys

iommu/arm-smmu: Add missing unlock in attach error path



We currently have an error path in arm_smmu_attach_dev where we're
returning with a mutex locked.  Fix this.

Change-Id: I197edea7cefe361027cf46e22313ebe844684ec8
Signed-off-by: Mitchel Humpherys <mitchelh@codeaurora.org>

parent e813b4b3

drivers/iommu/arm-smmu.c

+1 −0

Original line number	Diff line number	Diff line
		@@ -1540,6 +1540,7 @@ static int arm_smmu_attach_dev(struct iommu_domain domain, struct device dev)

		if (dev->archdata.iommu) {
		dev_err(dev, "already attached to IOMMU domain\n");
		mutex_unlock(&smmu_domain->init_mutex);
		return -EEXIST;
		}