| Message ID | 1439374365-20623-9-git-send-email-mpa@pengutronix.de (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
diff --git a/drivers/base/regmap/regmap.c b/drivers/base/regmap/regmap.c index 35ad3783da70..510dab052a95 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);
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 <mpa@pengutronix.de> --- drivers/base/regmap/regmap.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-)