From 07ea400e1b26726f21b2c2299d187d6eb7eb4324 Mon Sep 17 00:00:00 2001 From: Markus Pargmann Date: Wed, 12 Aug 2015 12:12:33 +0200 Subject: regmap: Fix regmap_can_raw_write check This function is missing a check if map->bus->write is implemented. If it is not implemented arbitrary raw writes are not possible. Signed-off-by: Markus Pargmann Signed-off-by: Mark Brown --- drivers/base/regmap/regmap.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) (limited to 'drivers/base/regmap/regmap.c') diff --git a/drivers/base/regmap/regmap.c b/drivers/base/regmap/regmap.c index 7111d04f2621..8e7208d92de1 100644 --- a/drivers/base/regmap/regmap.c +++ b/drivers/base/regmap/regmap.c @@ -1382,7 +1382,8 @@ int _regmap_raw_write(struct regmap *map, unsigned int reg, */ bool regmap_can_raw_write(struct regmap *map) { - return map->bus && map->format.format_val && map->format.format_reg; + return map->bus && map->bus->write && map->format.format_val && + map->format.format_reg; } EXPORT_SYMBOL_GPL(regmap_can_raw_write); -- cgit v1.2.3