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Diffstat (limited to '')
| -rw-r--r-- | drivers/rtc/rtc-abx80x.c | 12 |
1 files changed, 8 insertions, 4 deletions
diff --git a/drivers/rtc/rtc-abx80x.c b/drivers/rtc/rtc-abx80x.c index fde2b8054c..1298962402 100644 --- a/drivers/rtc/rtc-abx80x.c +++ b/drivers/rtc/rtc-abx80x.c @@ -705,14 +705,18 @@ static int abx80x_nvmem_xfer(struct abx80x_priv *priv, unsigned int offset, if (ret) return ret; - if (write) + if (write) { ret = i2c_smbus_write_i2c_block_data(priv->client, reg, len, val); - else + if (ret) + return ret; + } else { ret = i2c_smbus_read_i2c_block_data(priv->client, reg, len, val); - if (ret) - return ret; + if (ret <= 0) + return ret ? ret : -EIO; + len = ret; + } offset += len; val += len; |