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drivers: clk: keystone: Fix parameter judgment in _of_pll_clk_init()

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[ Upstream commit a995c50db8 ]

The function clk_register_pll() may return NULL or an ERR_PTR. Don't
treat an ERR_PTR as valid.

Signed-off-by: Minjie Du <duminjie@vivo.com>
Link: https://lore.kernel.org/r/20230712102246.10348-1-duminjie@vivo.com
Fixes: b9e0d40c0d ("clk: keystone: add Keystone PLL clock driver")
[sboyd@kernel.org: Reword commit text]
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Minjie Du 2023-07-12 18:22:46 +08:00 committed by Greg Kroah-Hartman
parent 3ad53071fe
commit 92913d32e7
1 changed files with 1 additions and 1 deletions
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2
drivers/clk/keystone/pll.c
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@ -209,7 +209,7 @@ static void __init _of_pll_clk_init(struct device_node *node, bool pllctrl)
}
clk = clk_register_pll(NULL, node->name, parent_name, pll_data);
if (clk) {
if (!IS_ERR_OR_NULL(clk)) {
of_clk_add_provider(node, of_clk_src_simple_get, clk);
return;
}