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authorCyrille Pitchen <cyrille.pitchen@atmel.com>2015-06-11 11:16:32 +0200
committerWolfram Sang <wsa@the-dreams.de>2015-06-11 22:12:53 +0900
commitf30dc5208ca270ff783fa895b74bdd76dcb4ba3e (patch)
tree64a0f47a54457ca99ad8f1cdcb98702771f08c68 /drivers/i2c
parentd8453403948cbe2bcfce810d82e1afcc501c3c71 (diff)
downloadlinux-f30dc5208ca270ff783fa895b74bdd76dcb4ba3e.tar.bz2
i2c: at91: fix code checker warnings
buf_len is a size_t, so unsigned, but was tested with '<= 0'. Reported-by: Wolfram Sang <wsa@the-dreams.de> Signed-off-by: Cyrille Pitchen <cyrille.pitchen@atmel.com> Acked-by: Ludovic Desroches <ludovic.desroches@atmel.com> Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
Diffstat (limited to 'drivers/i2c')
-rw-r--r--drivers/i2c/busses/i2c-at91.c6
1 files changed, 3 insertions, 3 deletions
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 */