aboutsummaryrefslogtreecommitdiffstats
path: root/drivers/base/regmap/regmap.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/base/regmap/regmap.c')
-rw-r--r--drivers/base/regmap/regmap.c8
1 files changed, 5 insertions, 3 deletions
diff --git a/drivers/base/regmap/regmap.c b/drivers/base/regmap/regmap.c
index 330ab9c85d1b..5e03735374ae 100644
--- a/drivers/base/regmap/regmap.c
+++ b/drivers/base/regmap/regmap.c
@@ -1343,7 +1343,7 @@ static int dev_get_regmap_match(struct device *dev, void *res, void *data)
/* If the user didn't specify a name match any */
if (data)
- return !strcmp((*r)->name, data);
+ return (*r)->name && !strcmp((*r)->name, data);
else
return 1;
}
@@ -1825,6 +1825,8 @@ int _regmap_raw_write(struct regmap *map, unsigned int reg,
size_t val_count = val_len / val_bytes;
size_t chunk_count, chunk_bytes;
size_t chunk_regs = val_count;
+ size_t max_data = map->max_raw_write - map->format.reg_bytes -
+ map->format.pad_bytes;
int ret, i;
if (!val_count)
@@ -1832,8 +1834,8 @@ int _regmap_raw_write(struct regmap *map, unsigned int reg,
if (map->use_single_write)
chunk_regs = 1;
- else if (map->max_raw_write && val_len > map->max_raw_write)
- chunk_regs = map->max_raw_write / val_bytes;
+ else if (map->max_raw_write && val_len > max_data)
+ chunk_regs = max_data / val_bytes;
chunk_count = val_count / chunk_regs;
chunk_bytes = chunk_regs * val_bytes;