From: Miaoqian Lin linmq006@gmail.com
stable inclusion from stable-v5.10.150 commit 6d01017247eee3fba399f601b0bcb38e4fb88a72 category: bugfix bugzilla: https://gitee.com/openeuler/kernel/issues/I6D0XA
Reference: https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?id=...
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[ Upstream commit 9c59a01caba26ec06fefd6ca1f22d5fd1de57d63 ]
pm_runtime_get_sync() will increment pm usage counter. Forgetting to putting operation will result in reference leak. Add missing pm_runtime_put_sync in some error paths.
Fixes: 9ac33b0ce81f ("CLK: TI: Driver for DRA7 ATL (Audio Tracking Logic)") Signed-off-by: Miaoqian Lin linmq006@gmail.com Link: https://lore.kernel.org/r/20220602030838.52057-1-linmq006@gmail.com Reviewed-by: Tony Lindgren tony@atomide.com Signed-off-by: Stephen Boyd sboyd@kernel.org Signed-off-by: Sasha Levin sashal@kernel.org Signed-off-by: Jialin Zhang zhangjialin11@huawei.com --- drivers/clk/ti/clk-dra7-atl.c | 9 ++++++--- 1 file changed, 6 insertions(+), 3 deletions(-)
diff --git a/drivers/clk/ti/clk-dra7-atl.c b/drivers/clk/ti/clk-dra7-atl.c index 8d4c08b034bd..e2e59d78c173 100644 --- a/drivers/clk/ti/clk-dra7-atl.c +++ b/drivers/clk/ti/clk-dra7-atl.c @@ -251,14 +251,16 @@ static int of_dra7_atl_clk_probe(struct platform_device *pdev) if (rc) { pr_err("%s: failed to lookup atl clock %d\n", __func__, i); - return -EINVAL; + ret = -EINVAL; + goto pm_put; }
clk = of_clk_get_from_provider(&clkspec); if (IS_ERR(clk)) { pr_err("%s: failed to get atl clock %d from provider\n", __func__, i); - return PTR_ERR(clk); + ret = PTR_ERR(clk); + goto pm_put; }
cdesc = to_atl_desc(__clk_get_hw(clk)); @@ -291,8 +293,9 @@ static int of_dra7_atl_clk_probe(struct platform_device *pdev) if (cdesc->enabled) atl_clk_enable(__clk_get_hw(clk)); } - pm_runtime_put_sync(cinfo->dev);
+pm_put: + pm_runtime_put_sync(cinfo->dev); return ret; }