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authorMarek Vasut <marex@denx.de>2022-05-09 02:30:35 +0200
committerMark Brown <broonie@kernel.org>2022-05-09 12:48:45 +0100
commit5c422f0b970d287efa864b8390a02face404db5d (patch)
treeb2b50d91cd1b87f41628eadf461dd8d3efef31a7 /drivers/base
parenteedd8a8542b9509d3a2aa8141c60858ac0c5024a (diff)
downloadlinux-5c422f0b970d287efa864b8390a02face404db5d.tar.bz2
regmap: Add missing map->bus check
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>
Diffstat (limited to 'drivers/base')
-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 879a87a6461b..2221d9863831 100644
--- a/drivers/base/regmap/regmap.c
+++ b/drivers/base/regmap/regmap.c
@@ -1839,7 +1839,7 @@ 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,