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authorMarek Vasut <marex@denx.de>2022-05-09 02:30:35 +0200
committerSasha Levin <sashal@kernel.org>2024-03-26 18:22:25 -0400
commitb37f030486d5b593de7546bf8f75eaa8bc92e575 (patch)
tree6c51377008c130b3e3662d7004375989c2e36119
parent55f8ea6731aa64871ee6aef7dba53ee9f9f3b2f6 (diff)
regmap: Add missing map->bus check
[ Upstream commit 5c422f0b970d287efa864b8390a02face404db5d ] The map->bus can be NULL here, add the missing NULL pointer check. Fixes: d77e745613680 ("regmap: Add bulk read/write callbacks into regmap_config") Reported-by: kernel test robot <lkp@intel.com> Reported-by: Dan Carpenter <dan.carpenter@oracle.com> Signed-off-by: Marek Vasut <marex@denx.de> Cc: Dan Carpenter <dan.carpenter@oracle.com> Cc: Mark Brown <broonie@kernel.org> To: linux-kernel@vger.kernel.org Link: https://lore.kernel.org/r/20220509003035.225272-1-marex@denx.de Signed-off-by: Mark Brown <broonie@kernel.org> Signed-off-by: Sasha Levin <sashal@kernel.org>
-rw-r--r--drivers/base/regmap/regmap.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/base/regmap/regmap.c b/drivers/base/regmap/regmap.c
index 6f580883c197..aa9c6e0ff878 100644
--- a/drivers/base/regmap/regmap.c
+++ b/drivers/base/regmap/regmap.c
@@ -1648,7 +1648,7 @@ static int _regmap_raw_write_impl(struct regmap *map, unsigned int reg,
map->format.reg_bytes +
map->format.pad_bytes +
val_len);
- else if (map->bus->gather_write)
+ else if (map->bus && map->bus->gather_write)
ret = map->bus->gather_write(map->bus_context, map->work_buf,
map->format.reg_bytes +
map->format.pad_bytes,