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iommu/ipmmu-vmsa: Fix wrong error handle of ipmmu_add_device

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Let's fix the error handle of ipmmu_add_device
when failing to find utlbs, otherwise we take a
risk of pontential memleak.

Signed-off-by: Shawn Lin <shawn.lin@rock-chips.com>
Signed-off-by: Joerg Roedel <jroedel@suse.de>
This commit is contained in:
Shawn Lin 2016-08-24 10:23:51 +08:00 committed by Joerg Roedel
parent c6935931c1
commit b1e2afca63
1 changed files with 1 additions and 1 deletions
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2
drivers/iommu/ipmmu-vmsa.c
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@ -636,7 +636,7 @@ static int ipmmu_add_device(struct device *dev)
spin_unlock(&ipmmu_devices_lock);
if (ret < 0)
return -ENODEV;
goto error;
for (i = 0; i < num_utlbs; ++i) {
if (utlbs[i] >= mmu->num_utlbs) {