linux-kernel - Applied "ASoC: stm32: sai: fix less than zero comparison on unsigned int" to the asoc tree

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Message-Id: <20181105115930.494DC1124D98@debutante.sirena.org.uk>
Date:   Mon,  5 Nov 2018 11:59:30 +0000 (GMT)
From:   Mark Brown <broonie@...nel.org>
To:     Colin Ian King <colin.king@...onical.com>
Cc:     Mark Brown <broonie@...nel.org>,
        Olivier Moysan <olivier.moysan@...com>,
        Arnaud Pouliquen <arnaud.pouliquen@...com>,
        Liam Girdwood <lgirdwood@...il.com>,
        Mark Brown <broonie@...nel.org>,
        Jaroslav Kysela <perex@...ex.cz>,
        Takashi Iwai <tiwai@...e.com>,
        Maxime Coquelin <mcoquelin.stm32@...il.com>,
        Alexandre Torgue <alexandre.torgue@...com>,
        alsa-devel@...a-project.org, kernel-janitors@...r.kernel.org,
        linux-kernel@...r.kernel.org, alsa-devel@...a-project.org
Subject: Applied "ASoC: stm32: sai: fix less than zero comparison on unsigned int" to the asoc tree

The patch

   ASoC: stm32: sai: fix less than zero comparison on unsigned int

has been applied to the asoc tree at

   https://git.kernel.org/pub/scm/linux/kernel/git/broonie/sound.git 

All being well this means that it will be integrated into the linux-next
tree (usually sometime in the next 24 hours) and sent to Linus during
the next merge window (or sooner if it is a bug fix), however if
problems are discovered then the patch may be dropped or reverted.  

You may get further e-mails resulting from automated or manual testing
and review of the tree, please engage with people reporting problems and
send followup patches addressing any issues that are reported if needed.

If any updates are required or you are submitting further changes they
should be sent as incremental updates against current git, existing
patches will not be replaced.

Please add any relevant lists and maintainers to the CCs when replying
to this mail.

Thanks,
Mark

>From 6b27e27729270a2478fdebea2db9c4f57bb4e8e6 Mon Sep 17 00:00:00 2001
From: Colin Ian King <colin.king@...onical.com>
Date: Wed, 31 Oct 2018 19:31:43 +0000
Subject: [PATCH] ASoC: stm32: sai: fix less than zero comparison on unsigned
 int

Currently, the comparison of div < 0 is always false because div is
an unsigned int. Fix this by making div an int.

Detected by CoverityScan, CID#1475309 ("Unsigned compared against 0")

Fixes: 8307b2afd386 "(ASoC: stm32: sai: set sai as mclk clock provider")
Signed-off-by: Colin Ian King <colin.king@...onical.com>
Signed-off-by: Mark Brown <broonie@...nel.org>
---
 sound/soc/stm/stm32_sai_sub.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/sound/soc/stm/stm32_sai_sub.c b/sound/soc/stm/stm32_sai_sub.c
index ea05cc91aa05..506423d5861a 100644
--- a/sound/soc/stm/stm32_sai_sub.c
+++ b/sound/soc/stm/stm32_sai_sub.c
@@ -336,8 +336,7 @@ static int stm32_sai_mclk_set_rate(struct clk_hw *hw, unsigned long rate,
 {
 	struct stm32_sai_mclk_data *mclk = to_mclk_data(hw);
 	struct stm32_sai_sub_data *sai = mclk->sai_data;
-	unsigned int div;
-	int ret;
+	int div, ret;
 
 	div = stm32_sai_get_clk_div(sai, parent_rate, rate);
 	if (div < 0)
-- 
2.19.0.rc2