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[104.188.17.28]) by smtp.gmail.com with ESMTPSA id i74sm40222938pfe.28.2019.09.12.19.40.31 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Thu, 12 Sep 2019 19:40:32 -0700 (PDT) From: Bjorn Andersson To: Michael Turquette , Stephen Boyd Cc: linux-clk@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-msm@vger.kernel.org, Dong Aisheng , Jordan Crouse Subject: [PATCH] clk: Make clk_bulk_get_all() return a valid "id" Date: Thu, 12 Sep 2019 19:40:29 -0700 Message-Id: <20190913024029.2640-1-bjorn.andersson@linaro.org> X-Mailer: git-send-email 2.18.0 Sender: linux-arm-msm-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-arm-msm@vger.kernel.org The adreno driver expects the "id" field of the returned clk_bulk_data to be filled in with strings from the clock-names property. But due to the use of kmalloc_array() in of_clk_bulk_get_all() it receives a list of bogus pointers instead. Zero-initialize the "id" field and attempt to populate with strings from the clock-names property to resolve both these issues. Fixes: 616e45df7c4a ("clk: add new APIs to operate on all available clocks") Fixes: 8e3e791d20d2 ("drm/msm: Use generic bulk clock function") Cc: Dong Aisheng Cc: Jordan Crouse Signed-off-by: Bjorn Andersson --- drivers/clk/clk-bulk.c | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-) -- 2.18.0 Reviewed-by: Jordan Crouse diff --git a/drivers/clk/clk-bulk.c b/drivers/clk/clk-bulk.c index 524bf9a53098..e9e16425c739 100644 --- a/drivers/clk/clk-bulk.c +++ b/drivers/clk/clk-bulk.c @@ -18,10 +18,13 @@ static int __must_check of_clk_bulk_get(struct device_node *np, int num_clks, int ret; int i; - for (i = 0; i < num_clks; i++) + for (i = 0; i < num_clks; i++) { + clks[i].id = NULL; clks[i].clk = NULL; + } for (i = 0; i < num_clks; i++) { + of_property_read_string_index(np, "clock-names", i, &clks[i].id); clks[i].clk = of_clk_get(np, i); if (IS_ERR(clks[i].clk)) { ret = PTR_ERR(clks[i].clk);