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Diffstat (limited to 'drivers/base/regmap/regmap.c')
-rw-r--r--drivers/base/regmap/regmap.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/base/regmap/regmap.c b/drivers/base/regmap/regmap.c
index 6a19515f8a45..6e19560c7a5b 100644
--- a/drivers/base/regmap/regmap.c
+++ b/drivers/base/regmap/regmap.c
@@ -2194,6 +2194,10 @@ int regmap_register_patch(struct regmap *map, const struct reg_default *regs,
/* Write out first; it's useful to apply even if we fail later. */
for (i = 0; i < num_regs; i++) {
+ if (regs[i].reg % map->reg_stride) {
+ ret = -EINVAL;
+ goto out;
+ }
ret = _regmap_write(map, regs[i].reg, regs[i].def);
if (ret != 0) {
dev_err(map->dev, "Failed to write %x = %x: %d\n",
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