From 3c4ae63073d84abee5d81ce46d86a94e9dae9c89 Mon Sep 17 00:00:00 2001 From: Johan Hovold Date: Thu, 27 Nov 2025 14:47:02 +0100 Subject: [PATCH] mux: mmio: fix regmap leak on probe failure The mmio regmap that may be allocated during probe is never freed. Switch to using the device managed allocator so that the regmap is released on probe failures (e.g. probe deferral) and on driver unbind. Fixes: 61de83fd8256 ("mux: mmio: Do not use syscon helper to build regmap") Cc: stable@vger.kernel.org # 6.16 Cc: Andrew Davis Signed-off-by: Johan Hovold Acked-by: Andrew Davis Link: https://patch.msgid.link/20251127134702.1915-1-johan@kernel.org Signed-off-by: Greg Kroah-Hartman --- drivers/mux/mmio.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/mux/mmio.c b/drivers/mux/mmio.c index 3409af1ffb80..0611ef28bb69 100644 --- a/drivers/mux/mmio.c +++ b/drivers/mux/mmio.c @@ -72,7 +72,7 @@ static int mux_mmio_probe(struct platform_device *pdev) if (IS_ERR(base)) regmap = ERR_PTR(-ENODEV); else - regmap = regmap_init_mmio(dev, base, &mux_mmio_regmap_cfg); + regmap = devm_regmap_init_mmio(dev, base, &mux_mmio_regmap_cfg); /* Fallback to checking the parent node on "real" errors. */ if (IS_ERR(regmap) && regmap != ERR_PTR(-EPROBE_DEFER)) { regmap = dev_get_regmap(dev->parent, NULL);