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clk: zynqmp: Fix memory allocation in zynqmp_clk_setup

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Fix memory allocation and use struct_size() in kzalloc(). This also
fixes the allocation size to be correct, and smaller, because before we
were allocating a bunch of sizeof(struct clk_hw_onecell_data) structures
for each struct clk_hw we needed.

Fixes: 3fde0e16d0 ("drivers: clk: Add ZynqMP clock driver")
Cc: stable@vger.kernel.org
Signed-off-by: Gustavo A. R. Silva <gustavo@embeddedor.com>
Acked-by: Michal Simek <michal.simek@xilinx.com>
[sboyd@kernel.org: Expand commit text]
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
This commit is contained in:
Gustavo A. R. Silva 2018-12-23 23:50:58 -06:00 committed by Stephen Boyd
parent d39eca547f
commit 4f340efcb2
1 changed files with 2 additions and 2 deletions
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4
drivers/clk/zynqmp/clkc.c
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@ -669,8 +669,8 @@ static int zynqmp_clk_setup(struct device_node *np)
if (ret)
return ret;
zynqmp_data = kzalloc(sizeof(*zynqmp_data) + sizeof(*zynqmp_data) *
clock_max_idx, GFP_KERNEL);
zynqmp_data = kzalloc(struct_size(zynqmp_data, hws, clock_max_idx),
GFP_KERNEL);
if (!zynqmp_data)
return -ENOMEM;