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authorDan Carpenter <dan.carpenter@oracle.com>2016-11-26 00:15:37 +0300
committerDavid S. Miller <davem@davemloft.net>2016-12-11 18:15:49 -0800
commite241cfd3bd3503ef6a909f41f0adf06be193fe25 (patch)
tree465355f3dd74d89bfcb1d85a325baa2e364ba4e6 /arch/sparc/kernel/pci_sun4v.c
parent601e6e3cc5bf6adb7d076fe24d10f6191a25ba9b (diff)
sparc64: restore irq in error paths in iommu
There are some error paths where we should restore IRQs but we don't. Fixes: bb620c3d3925 ("sparc: Make sparc64 use scalable lib/iommu-common.c functions") Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'arch/sparc/kernel/pci_sun4v.c')
-rw-r--r--arch/sparc/kernel/pci_sun4v.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/arch/sparc/kernel/pci_sun4v.c b/arch/sparc/kernel/pci_sun4v.c
index cabb609fedcc..f4daccd12bf5 100644
--- a/arch/sparc/kernel/pci_sun4v.c
+++ b/arch/sparc/kernel/pci_sun4v.c
@@ -242,6 +242,7 @@ static void *dma_4v_alloc_coherent(struct device *dev, size_t size,
return ret;
iommu_map_fail:
+ local_irq_restore(flags);
iommu_tbl_range_free(tbl, *dma_addrp, npages, IOMMU_ERROR_CODE);
range_alloc_fail:
@@ -414,6 +415,7 @@ bad:
return DMA_ERROR_CODE;
iommu_map_fail:
+ local_irq_restore(flags);
iommu_tbl_range_free(tbl, bus_addr, npages, IOMMU_ERROR_CODE);
return DMA_ERROR_CODE;
}