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iommu/vt-d: Fix a potential memory leak
commitbbe4b3af9d
upstream. A memory block was allocated in intel_svm_bind_mm() but never freed in a failure path. This patch fixes this by free it to avoid memory leakage. Cc: Ashok Raj <ashok.raj@intel.com> Cc: Jacob Pan <jacob.jun.pan@linux.intel.com> Cc: <stable@vger.kernel.org> # v4.4+ Signed-off-by: Lu Baolu <baolu.lu@linux.intel.com> Fixes:2f26e0a9c9
('iommu/vt-d: Add basic SVM PASID support') Signed-off-by: Joerg Roedel <jroedel@suse.de> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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@ -382,6 +382,7 @@ int intel_svm_bind_mm(struct device *dev, int *pasid, int flags, struct svm_dev_
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pasid_max - 1, GFP_KERNEL);
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if (ret < 0) {
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kfree(svm);
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kfree(sdev);
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goto out;
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}
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svm->pasid = ret;
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