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    Subject[PATCH 4/8] regmap: Guard regcache_sync() with map->lock
    Date
    Signed-off-by: Dimitris Papastamos <dp@opensource.wolfsonmicro.com>
    ---
    drivers/base/regmap/regcache.c | 2 ++
    1 files changed, 2 insertions(+), 0 deletions(-)

    diff --git a/drivers/base/regmap/regcache.c b/drivers/base/regmap/regcache.c
    index b6efde7..674da82 100644
    --- a/drivers/base/regmap/regcache.c
    +++ b/drivers/base/regmap/regcache.c
    @@ -230,6 +230,7 @@ int regcache_sync(struct regmap *map)

    BUG_ON(!map->cache_ops);

    + mutex_lock(&map->lock);
    dev_dbg(map->dev, "Syncing %s cache\n",
    map->cache_ops->name);
    name = map->cache_ops->name;
    @@ -254,6 +255,7 @@ int regcache_sync(struct regmap *map)
    }
    out:
    trace_regcache_sync(map->dev, name, "stop");
    + mutex_unlock(&map->lock);

    return ret;
    }
    --
    1.7.6.4


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