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Message-ID: <20240324234027.1354210-238-sashal@kernel.org>
Date: Sun, 24 Mar 2024 19:40:25 -0400
From: Sasha Levin <sashal@...nel.org>
To: linux-kernel@...r.kernel.org,
stable@...r.kernel.org
Cc: Marek Vasut <marex@...x.de>,
kernel test robot <lkp@...el.com>,
Dan Carpenter <dan.carpenter@...cle.com>,
Mark Brown <broonie@...nel.org>,
Sasha Levin <sashal@...nel.org>
Subject: [PATCH 5.10 237/238] regmap: Add missing map->bus check
From: Marek Vasut <marex@...x.de>
[ 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@...el.com>
Reported-by: Dan Carpenter <dan.carpenter@...cle.com>
Signed-off-by: Marek Vasut <marex@...x.de>
Cc: Dan Carpenter <dan.carpenter@...cle.com>
Cc: Mark Brown <broonie@...nel.org>
To: linux-kernel@...r.kernel.org
Link: https://lore.kernel.org/r/20220509003035.225272-1-marex@denx.de
Signed-off-by: Mark Brown <broonie@...nel.org>
Signed-off-by: Sasha Levin <sashal@...nel.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 2dfd6aa600450..a3c4086603a60 100644
--- a/drivers/base/regmap/regmap.c
+++ b/drivers/base/regmap/regmap.c
@@ -1796,7 +1796,7 @@ 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,
--
2.43.0
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