diff options
| author | Joerg Roedel <jroedel@suse.de> | 2015-05-28 18:41:45 +0200 |
|---|---|---|
| committer | Joerg Roedel <jroedel@suse.de> | 2015-06-11 09:42:24 +0200 |
| commit | 3a18404cd952ae529651f72a13e5d6ffee824c2e (patch) | |
| tree | f79fa73b3d88281a5525f96954fae14da93ee945 /drivers/iommu | |
| parent | 2870b0a4911038fd6aed9093cda2dbe80fd0ee2e (diff) | |
iommu/amd: Propagate errors from amd_iommu_init_api
This function can fail. Propagate any errors back to the
initialization state machine.
Signed-off-by: Joerg Roedel <jroedel@suse.de>
Diffstat (limited to 'drivers/iommu')
| -rw-r--r-- | drivers/iommu/amd_iommu.c | 4 | ||||
| -rw-r--r-- | drivers/iommu/amd_iommu_init.c | 5 | ||||
| -rw-r--r-- | drivers/iommu/amd_iommu_proto.h | 2 |
3 files changed, 6 insertions, 5 deletions
diff --git a/drivers/iommu/amd_iommu.c b/drivers/iommu/amd_iommu.c index 96390b9b7842..8bc6f40edf5e 100644 --- a/drivers/iommu/amd_iommu.c +++ b/drivers/iommu/amd_iommu.c @@ -2840,9 +2840,9 @@ static struct dma_map_ops amd_iommu_dma_ops = { .dma_supported = amd_iommu_dma_supported, }; -void __init amd_iommu_init_api(void) +int __init amd_iommu_init_api(void) { - bus_set_iommu(&pci_bus_type, &amd_iommu_ops); + return bus_set_iommu(&pci_bus_type, &amd_iommu_ops); } int __init amd_iommu_init_dma_ops(void) diff --git a/drivers/iommu/amd_iommu_init.c b/drivers/iommu/amd_iommu_init.c index e4a6e405e35d..dbac49cea7a1 100644 --- a/drivers/iommu/amd_iommu_init.c +++ b/drivers/iommu/amd_iommu_init.c @@ -1391,9 +1391,10 @@ static int __init amd_iommu_init_pci(void) for_each_iommu(iommu) iommu_flush_all_caches(iommu); - amd_iommu_init_api(); + ret = amd_iommu_init_api(); - print_iommu_info(); + if (!ret) + print_iommu_info(); return ret; } diff --git a/drivers/iommu/amd_iommu_proto.h b/drivers/iommu/amd_iommu_proto.h index 72b0fd455e24..9ed1c4330551 100644 --- a/drivers/iommu/amd_iommu_proto.h +++ b/drivers/iommu/amd_iommu_proto.h @@ -30,7 +30,7 @@ extern void amd_iommu_reset_cmd_buffer(struct amd_iommu *iommu); extern int amd_iommu_init_devices(void); extern void amd_iommu_uninit_devices(void); extern void amd_iommu_init_notifier(void); -extern void amd_iommu_init_api(void); +extern int amd_iommu_init_api(void); /* Needed for interrupt remapping */ extern int amd_iommu_prepare(void); |