From: Marek Vasut <marex@denx.de>
To: linux-kernel@vger.kernel.org
Cc: Marek Vasut <marex@denx.de>, kernel test robot <lkp@intel.com>,
Dan Carpenter <dan.carpenter@oracle.com>,
Mark Brown <broonie@kernel.org>
Subject: [PATCH] regmap: Add missing map->bus check
Date: Mon, 9 May 2022 02:30:35 +0200 [thread overview]
Message-ID: <20220509003035.225272-1-marex@denx.de> (raw)
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
---
drivers/base/regmap/regmap.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/base/regmap/regmap.c b/drivers/base/regmap/regmap.c
index 879a87a6461be..2221d98638317 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,
--
2.35.1
next reply other threads:[~2022-05-09 1:29 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-05-09 0:30 Marek Vasut [this message]
2022-05-09 15:45 ` Mark Brown
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