Message ID | 20221017164646.4193618-1-dario.binacchi@amarulasolutions.com |
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State | New |
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[95.244.101.110]) by smtp.gmail.com with ESMTPSA id va30-20020a17090711de00b0078d61c5db0asm6316887ejb.49.2022.10.17.09.47.14 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 17 Oct 2022 09:47:14 -0700 (PDT) From: Dario Binacchi <dario.binacchi@amarulasolutions.com> To: linux-kernel@vger.kernel.org Cc: Amarula patchwork <linux-amarula@amarulasolutions.com>, michael@amarulasolutions.com, Dario Binacchi <dario.binacchi@amarulasolutions.com>, Greg Kroah-Hartman <gregkh@linuxfoundation.org>, Michael Turquette <mturquette@baylibre.com>, Stephen Boyd <sboyd@kernel.org>, Tero Kristo <kristo@kernel.org>, Thomas Gleixner <tglx@linutronix.de>, Tony Lindgren <tony@atomide.com>, linux-clk@vger.kernel.org, linux-omap@vger.kernel.org Subject: [PATCH] clk: ti: mux: don't free `parent_names' on kzalloc() failure Date: Mon, 17 Oct 2022 18:46:46 +0200 Message-Id: <20221017164646.4193618-1-dario.binacchi@amarulasolutions.com> X-Mailer: git-send-email 2.32.0 MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Spam-Status: No, score=-2.1 required=5.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,RCVD_IN_DNSWL_NONE, SPF_HELO_NONE,SPF_PASS autolearn=unavailable autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: <linux-kernel.vger.kernel.org> X-Mailing-List: linux-kernel@vger.kernel.org X-getmail-retrieved-from-mailbox: =?utf-8?q?INBOX?= X-GMAIL-THRID: =?utf-8?q?1746955125509125385?= X-GMAIL-MSGID: =?utf-8?q?1746955125509125385?= |
Series |
clk: ti: mux: don't free `parent_names' on kzalloc() failure
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Commit Message
Dario Binacchi
Oct. 17, 2022, 4:46 p.m. UTC
Although no operation is performed by kfree() on a NULL pointer, it's
however suboptimal and semantically wrong doing it.
Signed-off-by: Dario Binacchi <dario.binacchi@amarulasolutions.com>
---
drivers/clk/ti/mux.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
Comments
Quoting Dario Binacchi (2022-10-17 09:46:46) > Although no operation is performed by kfree() on a NULL pointer, it's > however suboptimal and semantically wrong doing it. Passing NULL to kfree() is fine. This is trying to optimize an error path as well. No thanks.
diff --git a/drivers/clk/ti/mux.c b/drivers/clk/ti/mux.c index 46b45b3e8319..1f924db2ad98 100644 --- a/drivers/clk/ti/mux.c +++ b/drivers/clk/ti/mux.c @@ -182,7 +182,7 @@ static void of_mux_clk_setup(struct device_node *node) } parent_names = kzalloc((sizeof(char *) * num_parents), GFP_KERNEL); if (!parent_names) - goto cleanup; + return; of_clk_parent_fill(node, parent_names, num_parents);