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[90.86.1.33]) by smtp.gmail.com with ESMTPSA id o12-v6sm3291728wrj.58.2018.09.24.03.12.07 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Mon, 24 Sep 2018 03:12:08 -0700 (PDT) From: Bartosz Golaszewski To: Michael Turquette , Stephen Boyd , Greg Kroah-Hartman , "Rafael J . Wysocki" , Arend van Spriel , Ulf Hansson , Bjorn Helgaas , Vivek Gautam , Robin Murphy , Joe Perches , Heikki Krogerus , Andrew Morton , Mike Rapoport , Michal Hocko , Al Viro , Jonathan Corbet , Roman Gushchin , Huang Ying , Kees Cook , Bjorn Andersson , Arnd Bergmann , Andy Shevchenko Cc: linux-clk@vger.kernel.org, linux-kernel@vger.kernel.org, linux-mm@kvack.org, Bartosz Golaszewski Subject: [PATCH v3 4/4] clk: pmc-atom: use devm_kstrdup_const() Date: Mon, 24 Sep 2018 12:11:50 +0200 Message-Id: <20180924101150.23349-5-brgl@bgdev.pl> X-Mailer: git-send-email 2.18.0 In-Reply-To: <20180924101150.23349-1-brgl@bgdev.pl> References: <20180924101150.23349-1-brgl@bgdev.pl> Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Use devm_kstrdup_const() in the pmc-atom driver. This mostly serves as an example of how to use this new routine to shrink driver code. While we're at it: replace a call to kcalloc() with devm_kcalloc(). Signed-off-by: Bartosz Golaszewski Reviewed-by: Stephen Boyd Reviewed-by: Bjorn Andersson --- drivers/clk/x86/clk-pmc-atom.c | 19 ++++--------------- 1 file changed, 4 insertions(+), 15 deletions(-) diff --git a/drivers/clk/x86/clk-pmc-atom.c b/drivers/clk/x86/clk-pmc-atom.c index d977193842df..239197799ea3 100644 --- a/drivers/clk/x86/clk-pmc-atom.c +++ b/drivers/clk/x86/clk-pmc-atom.c @@ -247,14 +247,6 @@ static void plt_clk_unregister_fixed_rate_loop(struct clk_plt_data *data, plt_clk_unregister_fixed_rate(data->parents[i]); } -static void plt_clk_free_parent_names_loop(const char **parent_names, - unsigned int i) -{ - while (i--) - kfree_const(parent_names[i]); - kfree(parent_names); -} - static void plt_clk_unregister_loop(struct clk_plt_data *data, unsigned int i) { @@ -280,8 +272,8 @@ static const char **plt_clk_register_parents(struct platform_device *pdev, if (!data->parents) return ERR_PTR(-ENOMEM); - parent_names = kcalloc(nparents, sizeof(*parent_names), - GFP_KERNEL); + parent_names = devm_kcalloc(&pdev->dev, nparents, + sizeof(*parent_names), GFP_KERNEL); if (!parent_names) return ERR_PTR(-ENOMEM); @@ -294,7 +286,8 @@ static const char **plt_clk_register_parents(struct platform_device *pdev, err = PTR_ERR(data->parents[i]); goto err_unreg; } - parent_names[i] = kstrdup_const(clks[i].name, GFP_KERNEL); + parent_names[i] = devm_kstrdup_const(&pdev->dev, + clks[i].name, GFP_KERNEL); } data->nparents = nparents; @@ -302,7 +295,6 @@ static const char **plt_clk_register_parents(struct platform_device *pdev, err_unreg: plt_clk_unregister_fixed_rate_loop(data, i); - plt_clk_free_parent_names_loop(parent_names, i); return ERR_PTR(err); } @@ -352,8 +344,6 @@ static int plt_clk_probe(struct platform_device *pdev) goto err_drop_mclk; } - plt_clk_free_parent_names_loop(parent_names, data->nparents); - platform_set_drvdata(pdev, data); return 0; @@ -362,7 +352,6 @@ static int plt_clk_probe(struct platform_device *pdev) err_unreg_clk_plt: plt_clk_unregister_loop(data, i); plt_clk_unregister_parents(data); - plt_clk_free_parent_names_loop(parent_names, data->nparents); return err; } -- 2.18.0