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drivers/clk: convert VL struct to struct_size

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There are a few manually-calculated variable-length struct allocations
left, this converts them to use struct_size. Found with the following
git grep command

	git grep -A1 'kzalloc.*sizeof[^_].*+'

Signed-off-by: Stephen Kitt <steve@sk2.org>
Link: https://lkml.kernel.org/r/20190927185110.29897-1-steve@sk2.org
Acked-by: Gustavo A. R. Silva <gustavo@embeddedor.com>
[sboyd@kernel.org: Add grep command]
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
This commit is contained in:
Stephen Kitt 2019-09-27 20:51:10 +02:00 committed by Stephen Boyd
parent 54ecb8f702
commit e620a1e061
7 changed files with 9 additions and 14 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

3
drivers/clk/at91/sckc.c
View File

@ -478,8 +478,7 @@ static void __init of_sam9x60_sckc_setup(struct device_node *np)
if (IS_ERR(slow_osc))
goto unregister_slow_rc;
clk_data = kzalloc(sizeof(*clk_data) + (2 * sizeof(struct clk_hw *)),
GFP_KERNEL);
clk_data = kzalloc(struct_size(clk_data, hws, 2), GFP_KERNEL);
if (!clk_data)
goto unregister_slow_osc;

3
drivers/clk/imgtec/clk-boston.c
View File

@ -58,8 +58,7 @@ static void __init clk_boston_setup(struct device_node *np)
cpu_div = ext_field(mmcmdiv, BOSTON_PLAT_MMCMDIV_CLK1DIV);
cpu_freq = mult_frac(in_freq, mul, cpu_div);
onecell = kzalloc(sizeof(*onecell) +
(BOSTON_CLK_COUNT * sizeof(struct clk_hw *)),
onecell = kzalloc(struct_size(onecell, hws, BOSTON_CLK_COUNT),
GFP_KERNEL);
if (!onecell)
return;

3
drivers/clk/ingenic/tcu.c
View File

@ -358,8 +358,7 @@ static int __init ingenic_tcu_probe(struct device_node *np)
}
}
tcu->clocks = kzalloc(sizeof(*tcu->clocks) +
sizeof(*tcu->clocks->hws) * TCU_CLK_COUNT,
tcu->clocks = kzalloc(struct_size(tcu->clocks, hws, TCU_CLK_COUNT),
GFP_KERNEL);
if (!tcu->clocks) {
ret = -ENOMEM;

4
drivers/clk/mvebu/ap-cpu-clk.c
View File

@ -274,8 +274,8 @@ static int ap_cpu_clock_probe(struct platform_device *pdev)
if (!ap_cpu_clk)
return -ENOMEM;
ap_cpu_data = devm_kzalloc(dev, sizeof(*ap_cpu_data) +
sizeof(struct clk_hw *) * nclusters,
ap_cpu_data = devm_kzalloc(dev, struct_size(ap_cpu_data, hws,
nclusters),
GFP_KERNEL);
if (!ap_cpu_data)
return -ENOMEM;

4
drivers/clk/mvebu/cp110-system-controller.c
View File

@ -235,8 +235,8 @@ static int cp110_syscon_common_probe(struct platform_device *pdev,
if (ret)
return ret;
cp110_clk_data = devm_kzalloc(dev, sizeof(*cp110_clk_data) +
sizeof(struct clk_hw *) * CP110_CLK_NUM,
cp110_clk_data = devm_kzalloc(dev, struct_size(cp110_clk_data, hws,
CP110_CLK_NUM),
GFP_KERNEL);
if (!cp110_clk_data)
return -ENOMEM;

3
drivers/clk/samsung/clk.c
View File

@ -60,8 +60,7 @@ struct samsung_clk_provider *__init samsung_clk_init(struct device_node *np,
struct samsung_clk_provider *ctx;
int i;
ctx = kzalloc(sizeof(struct samsung_clk_provider) +
sizeof(*ctx->clk_data.hws) * nr_clks, GFP_KERNEL);
ctx = kzalloc(struct_size(ctx, clk_data.hws, nr_clks), GFP_KERNEL);
if (!ctx)
panic("could not allocate clock provider context.\n");

3
drivers/clk/uniphier/clk-uniphier-core.c
View File

@ -64,8 +64,7 @@ static int uniphier_clk_probe(struct platform_device *pdev)
for (p = data; p->name; p++)
clk_num = max(clk_num, p->idx + 1);
hw_data = devm_kzalloc(dev,
sizeof(*hw_data) + clk_num * sizeof(struct clk_hw *),
hw_data = devm_kzalloc(dev, struct_size(hw_data, hws, clk_num),
GFP_KERNEL);
if (!hw_data)
return -ENOMEM;