i2c: at91: fix code checker warnings (f30dc520) · Commits · 戴 / test

buf_len is a size_t, so unsigned, but was tested with '<= 0'. Reported-by:

drivers/i2c/busses/i2c-at91.c

+3 −3

Original line number	Diff line number	Diff line
		@@ -232,7 +232,7 @@ static void at91_twi_dma_cleanup(struct at91_twi_dev *dev)

		static void at91_twi_write_next_byte(struct at91_twi_dev *dev)
		{
		if (dev->buf_len <= 0)
		if (!dev->buf_len)
		return;

		/* 8bit write works with and without FIFO */
		@@ -275,7 +275,7 @@ static void at91_twi_write_data_dma(struct at91_twi_dev *dev)
		struct dma_chan *chan_tx = dma->chan_tx;
		unsigned int sg_len = 1;

		if (dev->buf_len <= 0)
		if (!dev->buf_len)
		return;

		dma->direction = DMA_TO_DEVICE;
		@@ -347,7 +347,7 @@ error:

		static void at91_twi_read_next_byte(struct at91_twi_dev *dev)
		{
		if (dev->buf_len <= 0)
		if (!dev->buf_len)
		return;

		/* 8bit read works with and without FIFO */