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-rw-r--r--drivers/rtc/rtc-ds1307.c8
1 files changed, 6 insertions, 2 deletions
diff --git a/drivers/rtc/rtc-ds1307.c b/drivers/rtc/rtc-ds1307.c
index ecb7dbae9be9..eed5c06bf624 100644
--- a/drivers/rtc/rtc-ds1307.c
+++ b/drivers/rtc/rtc-ds1307.c
@@ -275,9 +275,13 @@ static s32 ds1307_native_smbus_write_block_data(const struct i2c_client *client,
{
u8 suboffset = 0;
- if (length <= I2C_SMBUS_BLOCK_MAX)
- return i2c_smbus_write_i2c_block_data(client,
+ if (length <= I2C_SMBUS_BLOCK_MAX) {
+ s32 retval = i2c_smbus_write_i2c_block_data(client,
command, length, values);
+ if (retval < 0)
+ return retval;
+ return length;
+ }
while (suboffset < length) {
s32 retval = i2c_smbus_write_i2c_block_data(client,