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R. Silva" , linux-tegra@vger.kernel.org (open list:TEGRA ARCHITECTURE SUPPORT), linux-kernel@vger.kernel.org (open list), linux-hardening@vger.kernel.org (open list:KERNEL HARDENING (not covered by other areas):Keyword:\b__counted_by(_le|_be|_ptr)?\b) Subject: [PATCH v2] clk: tegra: bpmp: remove kcalloc Date: Wed, 30 Sep 2026 22:47:01 -0700 Message-ID: <20261001054701.39160-1-rosenp@gmail.com> X-Mailer: git-send-email 2.55.0 Precedence: bulk X-Mailing-List: linux-clk@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Use a flexible array member to avoid allocating separately. Use __counted_by for extra runtime analysis. Signed-off-by: Rosen Penev --- v2: fix subject drivers/clk/tegra/clk-bpmp.c | 12 +++--------- 1 file changed, 3 insertions(+), 9 deletions(-) diff --git a/drivers/clk/tegra/clk-bpmp.c b/drivers/clk/tegra/clk-bpmp.c index 067a8555c4e7..15b976162b59 100644 --- a/drivers/clk/tegra/clk-bpmp.c +++ b/drivers/clk/tegra/clk-bpmp.c @@ -32,7 +32,7 @@ struct tegra_bpmp_clk { unsigned int id; unsigned int num_parents; - unsigned int *parents; + unsigned int parents[] __counted_by(num_parents); }; static inline struct tegra_bpmp_clk *to_tegra_bpmp_clk(struct clk_hw *hw) @@ -518,20 +518,14 @@ tegra_bpmp_clk_register(struct tegra_bpmp *bpmp, unsigned int i; int err; - clk = devm_kzalloc(bpmp->dev, sizeof(*clk), GFP_KERNEL); + clk = devm_kzalloc(bpmp->dev, struct_size(clk, parents, info->num_parents), GFP_KERNEL); if (!clk) return ERR_PTR(-ENOMEM); + clk->num_parents = info->num_parents; clk->id = info->id; clk->bpmp = bpmp; - clk->parents = devm_kcalloc(bpmp->dev, info->num_parents, - sizeof(*clk->parents), GFP_KERNEL); - if (!clk->parents) - return ERR_PTR(-ENOMEM); - - clk->num_parents = info->num_parents; - /* hardware clock initialization */ memset(&init, 0, sizeof(init)); init.name = info->name; -- 2.55.0