4.4-stable review patch. If anyone has any objections, please let me know.
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From: Lu Baolu baolu.lu@linux.intel.com
commit bbe4b3af9d9e3172fb9aa1f8dcdfaedcb381fc64 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: 2f26e0a9c9860 ('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
--- drivers/iommu/intel-svm.c | 1 + 1 file changed, 1 insertion(+)
--- a/drivers/iommu/intel-svm.c +++ b/drivers/iommu/intel-svm.c @@ -389,6 +389,7 @@ int intel_svm_bind_mm(struct device *dev pasid_max - 1, GFP_KERNEL); if (ret < 0) { kfree(svm); + kfree(sdev); goto out; } svm->pasid = ret;