diff options
| author | Martin Oliveira <[email protected]> | 2021-07-29 14:15:28 -0600 |
|---|---|---|
| committer | Christoph Hellwig <[email protected]> | 2021-08-09 17:13:05 +0200 |
| commit | c4e0e892ab0579d4de3ca6d260d537fc16b39790 (patch) | |
| tree | 69ef7391f43f041cdfa079e10851a43a707a02b5 /scripts/gcc-plugins/cyc_complexity_plugin.c | |
| parent | af82fe85665d49bdb72dba66cd57e3bf95b71895 (diff) | |
powerpc/iommu: return error code from .map_sg() ops
The .map_sg() op now expects an error code instead of zero on failure.
Propagate the error up if vio_dma_iommu_map_sg() fails.
ppc_iommu_map_sg() may fail either because of iommu_range_alloc() or
because of tbl->it_ops->set(). The former only supports returning an
error with DMA_MAPPING_ERROR and an examination of the latter indicates
that it may return arch-specific errors (for example,
tce_buildmulti_pSeriesLP()). Hence, coalesce all of those errors into
-EIO, per the documentation on dma_map_sgtable().
Signed-off-by: Martin Oliveira <[email protected]>
Signed-off-by: Logan Gunthorpe <[email protected]>
Cc: Michael Ellerman <[email protected]>
Cc: Benjamin Herrenschmidt <[email protected]>
Cc: Paul Mackerras <[email protected]>
Cc: Geoff Levand <[email protected]>
Signed-off-by: Christoph Hellwig <[email protected]>
Diffstat (limited to 'scripts/gcc-plugins/cyc_complexity_plugin.c')
0 files changed, 0 insertions, 0 deletions