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Diffstat (limited to '')
| -rw-r--r-- | drivers/i2c/i2c-slave-testunit.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/drivers/i2c/i2c-slave-testunit.c b/drivers/i2c/i2c-slave-testunit.c index a49642bbae..ca43e98cae 100644 --- a/drivers/i2c/i2c-slave-testunit.c +++ b/drivers/i2c/i2c-slave-testunit.c @@ -118,9 +118,12 @@ static int i2c_slave_testunit_slave_cb(struct i2c_client *client, queue_delayed_work(system_long_wq, &tu->worker, msecs_to_jiffies(10 * tu->regs[TU_REG_DELAY])); } - fallthrough; + break; case I2C_SLAVE_WRITE_REQUESTED: + if (test_bit(TU_FLAG_IN_PROCESS, &tu->flags)) + return -EBUSY; + memset(tu->regs, 0, TU_NUM_REGS); tu->reg_idx = 0; break; |