5.4-stable review patch. If anyone has any objections, please let me know.
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From: Minjie Du duminjie@vivo.com
[ Upstream commit a995c50db887ef97f3160775aef7d772635a6f6e ]
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: b9e0d40c0d83 ("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 --- drivers/clk/keystone/pll.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/clk/keystone/pll.c b/drivers/clk/keystone/pll.c index d59a7621bb204..ee5c72369334f 100644 --- a/drivers/clk/keystone/pll.c +++ b/drivers/clk/keystone/pll.c @@ -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; }