From: Geert Uytterhoeven Date: Tue, 25 Sep 2018 09:46:55 +0000 (+0200) Subject: spi: spi-mem: Fix inverted logic in op sanity check X-Git-Tag: v4.20-rc1~185^2~1^2~43 X-Git-Url: http://git.osdn.net/view?a=commitdiff_plain;h=aea3877e24f3acc6145094848dbb85f9ce85674a;p=uclinux-h8%2Flinux.git spi: spi-mem: Fix inverted logic in op sanity check On r8a7791/koelsch: m25p80 spi0.0: error -22 reading 9f m25p80: probe of spi0.0 failed with error -22 Apparently the logic in spi_mem_check_op() is wrong, rejecting the spi-mem operation if any buswidth is valid, instead of invalid. Fixes: 380583227c0c7f52 ("spi: spi-mem: Add extra sanity checks on the op param") Signed-off-by: Geert Uytterhoeven Reviewed-by: Boris Brezillon Signed-off-by: Mark Brown --- diff --git a/drivers/spi/spi-mem.c b/drivers/spi/spi-mem.c index cc3d425aae56..62a7b80801d2 100644 --- a/drivers/spi/spi-mem.c +++ b/drivers/spi/spi-mem.c @@ -169,10 +169,10 @@ static int spi_mem_check_op(const struct spi_mem_op *op) (op->data.nbytes && !op->data.buswidth)) return -EINVAL; - if (spi_mem_buswidth_is_valid(op->cmd.buswidth) || - spi_mem_buswidth_is_valid(op->addr.buswidth) || - spi_mem_buswidth_is_valid(op->dummy.buswidth) || - spi_mem_buswidth_is_valid(op->data.buswidth)) + if (!spi_mem_buswidth_is_valid(op->cmd.buswidth) || + !spi_mem_buswidth_is_valid(op->addr.buswidth) || + !spi_mem_buswidth_is_valid(op->dummy.buswidth) || + !spi_mem_buswidth_is_valid(op->data.buswidth)) return -EINVAL; return 0;