From: Cyrille Pitchen Date: Thu, 11 Jun 2015 09:16:32 +0000 (+0200) Subject: i2c: at91: fix code checker warnings X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=f30dc5208ca270ff783fa895b74bdd76dcb4ba3e;p=linux-beck.git i2c: at91: fix code checker warnings buf_len is a size_t, so unsigned, but was tested with '<= 0'. Reported-by: Wolfram Sang Signed-off-by: Cyrille Pitchen Acked-by: Ludovic Desroches Signed-off-by: Wolfram Sang --- diff --git a/drivers/i2c/busses/i2c-at91.c b/drivers/i2c/busses/i2c-at91.c index 9e54f97a9020..1c758cd1e1ba 100644 --- a/drivers/i2c/busses/i2c-at91.c +++ b/drivers/i2c/busses/i2c-at91.c @@ -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 */