From e242125d71cf543b3c80dfa64b62d0d53678d18a Mon Sep 17 00:00:00 2001 From: Sungbo Eo <mans0n@gorani.run> Date: Fri, 6 Dec 2019 23:25:48 +0900 Subject: [PATCH] kernel: fix *-gpio-custom module unloading Unloading and reloading the modules fails, as platform_device_put() does not release resources fully. root@OpenWrt:/# insmod i2c-gpio-custom bus0=0,18,0,5 [ 196.860620] Custom GPIO-based I2C driver version 0.1.1 [ 196.871162] ------------[ cut here ]------------ [ 196.880517] WARNING: CPU: 0 PID: 1365 at fs/sysfs/dir.c:31 0x80112158 [ 196.893431] sysfs: cannot create duplicate filename '/devices/platform/i2c-gpio.0' ... [ 197.513200] kobject_add_internal failed for i2c-gpio.0 with -EEXIST, don't try to register things with the same name in the same directory. This patch fixes it by replacing platform_device_put() to platform_device_unregister(). Fixes: da7740853715 ("i2c-gpio-custom: minor bugfix") Fixes: 3bc81edc70e8 ("package: fix w1-gpio-custom package (closes #6770)") Signed-off-by: Sungbo Eo <mans0n@gorani.run> (cherry picked from commit a22b7a60d98836343c4f7b9ec0fcae68d9131522) --- package/kernel/i2c-gpio-custom/Makefile | 2 +- package/kernel/i2c-gpio-custom/src/i2c-gpio-custom.c | 4 ++-- package/kernel/w1-gpio-custom/Makefile | 2 +- package/kernel/w1-gpio-custom/src/w1-gpio-custom.c | 4 ++-- 4 files changed, 6 insertions(+), 6 deletions(-) diff --git a/package/kernel/i2c-gpio-custom/Makefile b/package/kernel/i2c-gpio-custom/Makefile index d1123cc3fb..b075712bbb 100644 --- a/package/kernel/i2c-gpio-custom/Makefile +++ b/package/kernel/i2c-gpio-custom/Makefile @@ -9,7 +9,7 @@ include $(TOPDIR)/rules.mk include $(INCLUDE_DIR)/kernel.mk PKG_NAME:=i2c-gpio-custom -PKG_RELEASE:=2 +PKG_RELEASE:=3 include $(INCLUDE_DIR)/package.mk diff --git a/package/kernel/i2c-gpio-custom/src/i2c-gpio-custom.c b/package/kernel/i2c-gpio-custom/src/i2c-gpio-custom.c index 921d290d52..dd5a68165c 100644 --- a/package/kernel/i2c-gpio-custom/src/i2c-gpio-custom.c +++ b/package/kernel/i2c-gpio-custom/src/i2c-gpio-custom.c @@ -51,7 +51,7 @@ #define DRV_NAME "i2c-gpio-custom" #define DRV_DESC "Custom GPIO-based I2C driver" -#define DRV_VERSION "0.1.1" +#define DRV_VERSION "0.1.2" #define PFX DRV_NAME ": " @@ -96,7 +96,7 @@ static void i2c_gpio_custom_cleanup(void) for (i = 0; i < nr_devices; i++) if (devices[i]) - platform_device_put(devices[i]); + platform_device_unregister(devices[i]); } static int __init i2c_gpio_custom_add_one(unsigned int id, unsigned int *params) diff --git a/package/kernel/w1-gpio-custom/Makefile b/package/kernel/w1-gpio-custom/Makefile index 1008cf9736..787f5aa02d 100644 --- a/package/kernel/w1-gpio-custom/Makefile +++ b/package/kernel/w1-gpio-custom/Makefile @@ -9,7 +9,7 @@ include $(TOPDIR)/rules.mk include $(INCLUDE_DIR)/kernel.mk PKG_NAME:=w1-gpio-custom -PKG_RELEASE:=3 +PKG_RELEASE:=4 include $(INCLUDE_DIR)/package.mk diff --git a/package/kernel/w1-gpio-custom/src/w1-gpio-custom.c b/package/kernel/w1-gpio-custom/src/w1-gpio-custom.c index 004c9240ba..6928769975 100644 --- a/package/kernel/w1-gpio-custom/src/w1-gpio-custom.c +++ b/package/kernel/w1-gpio-custom/src/w1-gpio-custom.c @@ -47,7 +47,7 @@ #define DRV_NAME "w1-gpio-custom" #define DRV_DESC "Custom GPIO-based W1 driver" -#define DRV_VERSION "0.1.1" +#define DRV_VERSION "0.1.2" #define PFX DRV_NAME ": " @@ -86,7 +86,7 @@ static void w1_gpio_custom_cleanup(void) for (i = 0; i < nr_devices; i++) if (devices[i]) - platform_device_put(devices[i]); + platform_device_unregister(devices[i]); } static int __init w1_gpio_custom_add_one(unsigned int id, unsigned int *params) -- 2.30.2