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Subject[PATCH 2/2] block: sed-opal: fix sparse warning: convert __be64 data
Date
From: Randy Dunlap <rdunlap@infradead.org>

sparse warns about incorrect type when using __be64 data.
It is not being converted to CPU-endian but it should be.

Fixes these sparse warnings:

../block/sed-opal.c:375:20: warning: incorrect type in assignment (different base types)
../block/sed-opal.c:375:20: expected unsigned long long [usertype] align
../block/sed-opal.c:375:20: got restricted __be64 const [usertype] alignment_granularity
../block/sed-opal.c:376:25: warning: incorrect type in assignment (different base types)
../block/sed-opal.c:376:25: expected unsigned long long [usertype] lowest_lba
../block/sed-opal.c:376:25: got restricted __be64 const [usertype] lowest_aligned_lba

Fixes: 455a7b238cd6 ("block: Add Sed-opal library")
Signed-off-by: Randy Dunlap <rdunlap@infradead.org>
Cc: Scott Bauer <scott.bauer@intel.com>
Cc: Rafael Antognolli <rafael.antognolli@intel.com>
Cc: Jens Axboe <axboe@kernel.dk>
Cc: linux-block@vger.kernel.org
---
If this code is known to work as is, it would be nice to have an
explanation of it. Oh: maybe it's just that these fields are not
used after they are saved/set.

block/sed-opal.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)

--- lnx-54-rc1.orig/block/sed-opal.c
+++ lnx-54-rc1/block/sed-opal.c
@@ -372,8 +372,8 @@ static void check_geometry(struct opal_d
{
const struct d0_geometry_features *geo = data;

- dev->align = geo->alignment_granularity;
- dev->lowest_lba = geo->lowest_aligned_lba;
+ dev->align = be64_to_cpu(geo->alignment_granularity);
+ dev->lowest_lba = be64_to_cpu(geo->lowest_aligned_lba);
}

static int execute_step(struct opal_dev *dev,

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