From: David Woodhouse <d...@amazon.co.uk>
All the bitfields in here are overlaid on top of each other since
they're a union. Change the second u64 to be in a struct so it does
the intended thing.
Fixes: b5c3786ee3704 ("iommu/amd: Use msi_msg shadow structs")
Signed-off-by: David Woodhouse <d...@amazon.co.uk>
---
drivers/iommu/amd/init.c | 16 +++++++++-------
1 file changed, 9 insertions(+), 7 deletions(-)
diff --git a/drivers/iommu/amd/init.c b/drivers/iommu/amd/init.c
index 90a8add186e0..a94b96f1e13a 100644
--- a/drivers/iommu/amd/init.c
+++ b/drivers/iommu/amd/init.c
@@ -1969,13 +1969,15 @@ static int iommu_setup_msi(struct amd_iommu *iommu)
union intcapxt {
u64 capxt;
- u64 reserved_0 : 2,
- dest_mode_logical : 1,
- reserved_1 : 5,
- destid_0_23 : 24,
- vector : 8,
- reserved_2 : 16,
- destid_24_31 : 8;
+ struct {
+ u64 reserved_0 : 2,
+ dest_mode_logical : 1,
+ reserved_1 : 5,
+ destid_0_23 : 24,
+ vector : 8,
+ reserved_2 : 16,
+ destid_24_31 : 8;
+ };
} __attribute__ ((packed));
/*
--
2.26.2
