diff options
| author | David Woodhouse <dwmw@amazon.co.uk> | 2020-11-11 17:43:21 +0300 |
|---|---|---|
| committer | Thomas Gleixner <tglx@linutronix.de> | 2020-11-12 01:01:57 +0300 |
| commit | 2fb6acf3edfeb904505f9ba3fd01166866062591 (patch) | |
| tree | 7dfcea7dbfcf716f74010c9932582eb0b246967a /drivers/iommu/amd | |
| parent | aec8da04e4d71afdd4ab3025ea34a6517435f363 (diff) | |
| download | linux-2fb6acf3edfeb904505f9ba3fd01166866062591.tar.xz | |
iommu/amd: Fix union of bitfields in intcapxt support
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: b5c3786ee370 ("iommu/amd: Use msi_msg shadow structs")
Signed-off-by: David Woodhouse <dwmw@amazon.co.uk>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Link: https://lore.kernel.org/r/20201111144322.1659970-2-dwmw2@infradead.org
Diffstat (limited to 'drivers/iommu/amd')
| -rw-r--r-- | drivers/iommu/amd/init.c | 16 |
1 files changed, 9 insertions, 7 deletions
diff --git a/drivers/iommu/amd/init.c b/drivers/iommu/amd/init.c index 263670d36fed..c2769f2b2abd 100644 --- a/drivers/iommu/amd/init.c +++ b/drivers/iommu/amd/init.c @@ -1967,13 +1967,15 @@ 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)); /* |