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clk: fix clk_get_bulk when phandle error

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This fixes the Coverity Defect CID 175347 when dev_count_phandle_with_args()
returns a negative value.

Fixes: a855be87da ("clk: Add get/enable/disable/release for a bulk of clocks")
Signed-off-by: Neil Armstrong <narmstrong@baylibre.com>
This commit is contained in:
Neil Armstrong 2018-04-17 11:30:31 +02:00 • committed by Tom Rini
parent 895a82ce90
commit 721881c417
1 changed files with 2 additions and 2 deletions
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4
drivers/clk/clk-uclass.c
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@ -111,8 +111,8 @@ int clk_get_bulk(struct udevice *dev, struct clk_bulk *bulk)
bulk->count = 0; bulk->count = 0;
count = dev_count_phandle_with_args(dev, "clocks", "#clock-cells"); count = dev_count_phandle_with_args(dev, "clocks", "#clock-cells");
if (!count) if (count < 1)
return 0; return count;
bulk->clks = devm_kcalloc(dev, count, sizeof(struct clk), GFP_KERNEL); bulk->clks = devm_kcalloc(dev, count, sizeof(struct clk), GFP_KERNEL);
if (!bulk->clks) if (!bulk->clks)