| Message ID | 1445590972-12331-1-git-send-email-ashwin.chaugule@linaro.org |
|---|---|
| State | New |
| Headers | show
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[109.146.133.72]) by smtp.gmail.com with ESMTPSA id cr5sm20071778wjb.16.2015.10.23.02.02.57 (version=TLSv1.2 cipher=ECDHE-RSA-AES128-SHA bits=128/128); Fri, 23 Oct 2015 02:02:57 -0700 (PDT) From: Ashwin Chaugule <ashwin.chaugule@linaro.org> To: rafael@kernel.org, dan.carpenter@oracle.com Cc: linux-acpi@vger.kernel.org, Ashwin Chaugule <ashwin.chaugule@linaro.org> Subject: [PATCH] CPPC: Fix potential ptr leak Date: Fri, 23 Oct 2015 05:02:52 -0400 Message-Id: <1445590972-12331-1-git-send-email-ashwin.chaugule@linaro.org> X-Mailer: git-send-email 1.9.1 In-Reply-To: <20151022194928.GA24403@mwanda> References: <20151022194928.GA24403@mwanda> Sender: linux-acpi-owner@vger.kernel.org Precedence: list List-ID: <patchwork-forward.linaro.org> X-Mailing-List: linux-acpi@vger.kernel.org X-Original-Sender: ashwin.chaugule@linaro.org X-Original-Authentication-Results: mx.google.com; spf=pass (google.com: domain of patch+caf_=patchwork-forward=linaro.org@linaro.org designates 2a00:1450:4010:c07::234 as permitted sender) smtp.mailfrom=patch+caf_=patchwork-forward=linaro.org@linaro.org; dkim=neutral (body hash did not verify) header.i=@linaro_org.20150623.gappssmtp.com Mailing-list: list patchwork-forward@linaro.org; contact patchwork-forward+owners@linaro.org X-Google-Group-Id: 836684582541 List-Post: <http://groups.google.com/a/linaro.org/group/patchwork-forward/post>, <mailto:patchwork-forward@linaro.org> List-Help: <http://support.google.com/a/linaro.org/bin/topic.py?topic=25838>, <mailto:patchwork-forward+help@linaro.org> List-Archive: <http://groups.google.com/a/linaro.org/group/patchwork-forward/> List-Unsubscribe: <mailto:googlegroups-manage+836684582541+unsubscribe@googlegroups.com>, <http://groups.google.com/a/linaro.org/group/patchwork-forward/subscribe> |
diff --git a/drivers/acpi/cppc_acpi.c b/drivers/acpi/cppc_acpi.c index 0bbf84b..8ca4c2c 100644 --- a/drivers/acpi/cppc_acpi.c +++ b/drivers/acpi/cppc_acpi.c @@ -524,7 +524,6 @@ int acpi_cppc_processor_probe(struct acpi_processor *pr) return 0; out_free: - cpc_ptr = per_cpu(cpc_desc_ptr, pr->id); kfree(cpc_ptr); out_buf_free:
The patch 337aadff8e45: "ACPI: Introduce CPU performance controls using CPPC" from Oct 2, 2015, leads to the following static checker warning: drivers/acpi/cppc_acpi.c:527 acpi_cppc_processor_probe() warn: overwrite may leak 'cpc_ptr' Fix warning by removing bogus per cpu ptr dereference. Reported-by: Dan Carpenter <dan.carpenter@oracle.com> Signed-off-by: Ashwin Chaugule <ashwin.chaugule@linaro.org> --- drivers/acpi/cppc_acpi.c | 1 - 1 file changed, 1 deletion(-)