diff options
| author | Sidong Yang <realwakka@gmail.com> | 2021-09-23 10:31:15 +0300 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2021-09-27 18:30:27 +0300 |
| commit | f3696bdfb6655e8dd5d2f747079060bd1b79ae98 (patch) | |
| tree | 5c2ddc92d7b41cbf1c51d6ba068eddce5ec3ff45 /drivers/staging/pi433 | |
| parent | 152d9d5cde8db7cfe0d02416b602d772c9f41935 (diff) | |
| download | linux-f3696bdfb6655e8dd5d2f747079060bd1b79ae98.tar.xz | |
staging: pi433: goto abort when setting failed in tx_thread
tx_thread in pi433 works for transmitting. it reads tx_cfg and data
stored in kfifo put in pi433_write() and transmits. If it exits,
pi433_write() just store its data and no one transmits data. So,
tx_thread should not exit even when it failed for setting registers.
It seems that it's okay to go to abort and continue to loop and wait for
writing.
Signed-off-by: Sidong Yang <realwakka@gmail.com>
Link: https://lore.kernel.org/r/20210923073115.7933-1-realwakka@gmail.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/staging/pi433')
| -rw-r--r-- | drivers/staging/pi433/pi433_if.c | 18 |
1 files changed, 9 insertions, 9 deletions
diff --git a/drivers/staging/pi433/pi433_if.c b/drivers/staging/pi433/pi433_if.c index c8d0c63fdd1d..29bd37669059 100644 --- a/drivers/staging/pi433/pi433_if.c +++ b/drivers/staging/pi433/pi433_if.c @@ -649,7 +649,7 @@ pi433_tx_thread(void *data) /* clear fifo, set fifo threshold, set payload length */ retval = rf69_set_mode(spi, standby); /* this clears the fifo */ if (retval < 0) - return retval; + goto abort; if (device->rx_active && !rx_interrupted) { /* @@ -661,33 +661,33 @@ pi433_tx_thread(void *data) retval = rf69_set_fifo_threshold(spi, FIFO_THRESHOLD); if (retval < 0) - return retval; + goto abort; if (tx_cfg.enable_length_byte == OPTION_ON) { retval = rf69_set_payload_length(spi, size * tx_cfg.repetitions); if (retval < 0) - return retval; + goto abort; } else { retval = rf69_set_payload_length(spi, 0); if (retval < 0) - return retval; + goto abort; } /* configure the rf chip */ retval = rf69_set_tx_cfg(device, &tx_cfg); if (retval < 0) - return retval; + goto abort; /* enable fifo level interrupt */ retval = rf69_set_dio_mapping(spi, DIO1, DIO_FIFO_LEVEL); if (retval < 0) - return retval; + goto abort; device->irq_state[DIO1] = DIO_FIFO_LEVEL; irq_set_irq_type(device->irq_num[DIO1], IRQ_TYPE_EDGE_FALLING); /* enable packet sent interrupt */ retval = rf69_set_dio_mapping(spi, DIO0, DIO_PACKET_SENT); if (retval < 0) - return retval; + goto abort; device->irq_state[DIO0] = DIO_PACKET_SENT; irq_set_irq_type(device->irq_num[DIO0], IRQ_TYPE_EDGE_RISING); enable_irq(device->irq_num[DIO0]); /* was disabled by rx active check */ @@ -695,7 +695,7 @@ pi433_tx_thread(void *data) /* enable transmission */ retval = rf69_set_mode(spi, transmit); if (retval < 0) - return retval; + goto abort; /* transfer this msg (and repetitions) to chip fifo */ device->free_in_fifo = FIFO_SIZE; @@ -742,7 +742,7 @@ pi433_tx_thread(void *data) dev_dbg(device->dev, "thread: Packet sent. Set mode to stby."); retval = rf69_set_mode(spi, standby); if (retval < 0) - return retval; + goto abort; /* everything sent? */ if (kfifo_is_empty(&device->tx_fifo)) { |