Commit b112f058 authored May 06, 2014 by Alexandre Belloni Committed by Mark Brown May 07, 2014

spi: atmel: fix incorrect comparison



Found using smatch:
drivers/spi/spi-atmel.c:878 atmel_spi_pump_pio_data() warn: unsigned
'as->current_remaining_bytes' is never less than zero.

Signed-off-by: Alexandre Belloni <alexandre.belloni@free-electrons.com>
Acked-by: Nicolas Ferre <nicolas.ferre@atmel.com>
Signed-off-by: Mark Brown <broonie@linaro.org>

parent 0c3b9748

drivers/spi/spi-atmel.c

+3 −2

Original line number	Diff line number	Diff line
		@@ -874,8 +874,9 @@ atmel_spi_pump_pio_data(struct atmel_spi as, struct spi_transfer xfer)
		spi_readl(as, RDR);
		}
		if (xfer->bits_per_word > 8) {
		if (as->current_remaining_bytes > 2)
		as->current_remaining_bytes -= 2;
		if (as->current_remaining_bytes < 0)
		else
		as->current_remaining_bytes = 0;
		} else {
		as->current_remaining_bytes--;