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-rw-r--r--drivers/nvmem/core.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/nvmem/core.c b/drivers/nvmem/core.c
index 66eec1960801..90c46f6e465d 100644
--- a/drivers/nvmem/core.c
+++ b/drivers/nvmem/core.c
@@ -267,7 +267,7 @@ static ssize_t bin_attr_nvmem_write(struct file *filp, struct kobject *kobj,
count = round_down(count, nvmem->word_size);
- if (!nvmem->reg_write)
+ if (!nvmem->reg_write || nvmem->read_only)
return -EPERM;
rc = nvmem_reg_write(nvmem, pos, buf, count);