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Wed, 30 Oct 2019 11:06:02 -0700 (PDT) Received: from kozik-lap ([194.230.155.180]) by smtp.googlemail.com with ESMTPSA id d26sm17952edu.37.2019.10.30.11.06.01 (version=TLS1_2 cipher=ECDHE-RSA-CHACHA20-POLY1305 bits=256/256); Wed, 30 Oct 2019 11:06:01 -0700 (PDT) Date: Wed, 30 Oct 2019 19:05:59 +0100 From: Krzysztof Kozlowski To: Dan Carpenter Subject: Re: [PATCH] soc: samsung: exynos-asv: Potential NULL dereference in exynos_asv_update_opps() Message-ID: <20191030180559.GA8016@kozik-lap> References: <20191029182742.GC17569@mwanda> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: <20191029182742.GC17569@mwanda> User-Agent: Mutt/1.9.4 (2018-02-28) X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20191030_110607_381149_8B5C12D8 X-CRM114-Status: GOOD ( 13.32 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: linux-samsung-soc@vger.kernel.org, kernel-janitors@vger.kernel.org, linux-kernel@vger.kernel.org, Kukjin Kim , Sylwester Nawrocki , linux-arm-kernel@lists.infradead.org Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+infradead-linux-arm-kernel=archiver.kernel.org@lists.infradead.org On Tue, Oct 29, 2019 at 09:27:42PM +0300, Dan Carpenter wrote: > The dev_pm_opp_get_opp_table() returns error pointers if it's disabled > in the config and it returns NULL if there is an error. This code only > checks for error pointers so it could lead to an Oops inside the > dev_pm_opp_put_opp_table() function. > > Fixes: 5ea428595cc5 ("soc: samsung: Add Exynos Adaptive Supply Voltage driver") > Signed-off-by: Dan Carpenter > --- > When we add a new driver, could we specify the which prefix will be used > going forward? In other words commit 5ea428595cc5 could have the > prefix "soc: samsung: exynos-asv: Add Exynos Adaptive Supply Voltage > driver". The "exynos-asv" bit was missing so the first person to send a > fix has to guess what is desired. Indeed, I usually do not add it on first commit to avoid duplication (prefix and later explanation) but I see that it would be helpful. Thanks, applied. Best regards, Krzysztof _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel