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From: Dmitry Osipenko <digetx@gmail.com>
To: Thierry Reding <thierry.reding@gmail.com>,
	Jonathan Hunter <jonathanh@nvidia.com>,
	Laxman Dewangan <ldewangan@nvidia.com>,
	Mikko Perttunen <cyndis@kapsi.fi>,
	Wolfram Sang <wsa@the-dreams.de>
Cc: linux-i2c@vger.kernel.org, linux-tegra@vger.kernel.org,
	linux-kernel@vger.kernel.org
Subject: [PATCH v3 7/9] clk: tegra: Fix double-free in tegra_clk_init()
Date: Mon,  6 Jan 2020 04:04:21 +0300	[thread overview]
Message-ID: <20200106010423.5890-8-digetx@gmail.com> (raw)
In-Reply-To: <20200106010423.5890-1-digetx@gmail.com>

It's unlikely to happen in practice ever, but makes static checkers happy.

Fixes: 535f296d47de ("clk: tegra: Add suspend and resume support on Tegra210")
Reported-by: Stephen Boyd <sboyd@kernel.org>
Signed-off-by: Dmitry Osipenko <digetx@gmail.com>
---
 drivers/clk/tegra/clk.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/drivers/clk/tegra/clk.c b/drivers/clk/tegra/clk.c
index e6bd6d1ea012..f6cdce441cf7 100644
--- a/drivers/clk/tegra/clk.c
+++ b/drivers/clk/tegra/clk.c
@@ -231,8 +231,10 @@ struct clk ** __init tegra_clk_init(void __iomem *regs, int num, int banks)
 	periph_banks = banks;
 
 	clks = kcalloc(num, sizeof(struct clk *), GFP_KERNEL);
-	if (!clks)
+	if (!clks) {
 		kfree(periph_clk_enb_refcnt);
+		return NULL;
+	}
 
 	clk_num = num;
 
-- 
2.24.0

  parent reply	other threads:[~2020-01-06  1:04 UTC|newest]

Thread overview: 30+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-01-06  1:04 [PATCH v3 0/9] NVIDIA Tegra I2C driver fixes and improvements Dmitry Osipenko
2020-01-06  1:04 ` [PATCH v3 1/9] i2c: tegra: Fix suspending in active runtime PM state Dmitry Osipenko
2020-01-07 12:38   ` Thierry Reding
2020-01-07 12:38     ` Thierry Reding
2020-01-06  1:04 ` [PATCH v3 2/9] i2c: tegra: Properly disable runtime PM on driver's probe error Dmitry Osipenko
2020-01-07 12:38   ` Thierry Reding
2020-01-07 12:38     ` Thierry Reding
2020-01-06  1:04 ` [PATCH v3 3/9] i2c: tegra: Prevent interrupt triggering after transfer timeout Dmitry Osipenko
2020-01-07 12:39   ` Thierry Reding
2020-01-07 12:39     ` Thierry Reding
2020-01-06  1:04 ` [PATCH v3 4/9] i2c: tegra: Support atomic transfers Dmitry Osipenko
2020-01-07 12:39   ` Thierry Reding
2020-01-07 12:39     ` Thierry Reding
2020-01-06  1:04 ` [PATCH v3 5/9] i2c: tegra: Rename I2C_PIO_MODE_MAX_LEN to I2C_PIO_MODE_PREFERRED_LEN Dmitry Osipenko
2020-01-07 12:39   ` Thierry Reding
2020-01-07 12:39     ` Thierry Reding
2020-01-06  1:04 ` [PATCH v3 6/9] i2c: tegra: Use relaxed versions of readl/writel Dmitry Osipenko
2020-01-07 12:39   ` Thierry Reding
2020-01-07 12:39     ` Thierry Reding
2020-01-06  1:04 ` Dmitry Osipenko [this message]
2020-01-07 12:39   ` [PATCH v3 7/9] clk: tegra: Fix double-free in tegra_clk_init() Thierry Reding
2020-01-07 12:39     ` Thierry Reding
2020-01-06  1:04 ` [PATCH v3 8/9] i2c: tegra: Always terminate DMA transfer Dmitry Osipenko
2020-01-07 12:39   ` Thierry Reding
2020-01-07 12:39     ` Thierry Reding
2020-01-06  1:04 ` [PATCH v3 9/9] i2c: tegra: Check DMA completion status in addition to left time Dmitry Osipenko
2020-01-07 12:39   ` Thierry Reding
2020-01-07 12:39     ` Thierry Reding
2020-01-07 12:38 ` [PATCH v3 0/9] NVIDIA Tegra I2C driver fixes and improvements Thierry Reding
2020-01-07 16:39   ` Dmitry Osipenko

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