Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752534AbbGWJCw (ORCPT ); Thu, 23 Jul 2015 05:02:52 -0400 Received: from mail-pa0-f53.google.com ([209.85.220.53]:34937 "EHLO mail-pa0-f53.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751025AbbGWJCr (ORCPT ); Thu, 23 Jul 2015 05:02:47 -0400 From: Viresh Kumar To: edubezval@gmail.com Cc: linaro-kernel@lists.linaro.org, javi.merino@arm.com, Viresh Kumar , linux-kernel@vger.kernel.org (open list), linux-pm@vger.kernel.org (open list:THERMAL), Zhang Rui Subject: [PATCH] thermal: remove dangling 'weight_attr' device file Date: Thu, 23 Jul 2015 14:32:32 +0530 Message-Id: <874682c7b1ab8b0fcc2abc905c71bc2bc041aaeb.1437642037.git.viresh.kumar@linaro.org> X-Mailer: git-send-email 2.4.0 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 3815 Lines: 64 This file isn't getting removed while we unbind a device from thermal zone. And this causes following messages when the device is registered again: WARNING: CPU: 0 PID: 2228 at /home/viresh/linux/fs/sysfs/dir.c:31 sysfs_warn_dup+0x60/0x70() sysfs: cannot create duplicate filename '/devices/virtual/thermal/thermal_zone0/cdev0_weight' Modules linked in: cpufreq_dt(+) [last unloaded: cpufreq_dt] CPU: 0 PID: 2228 Comm: insmod Not tainted 4.2.0-rc3-00059-g44fffd9473eb #272 Hardware name: SAMSUNG EXYNOS (Flattened Device Tree) [] (unwind_backtrace) from [] (show_stack+0x10/0x14) [] (show_stack) from [] (dump_stack+0x84/0xc4) [] (dump_stack) from [] (warn_slowpath_common+0x80/0xb0) [] (warn_slowpath_common) from [] (warn_slowpath_fmt+0x30/0x40) [] (warn_slowpath_fmt) from [] (sysfs_warn_dup+0x60/0x70) [] (sysfs_warn_dup) from [] (sysfs_add_file_mode_ns+0x13c/0x190) [] (sysfs_add_file_mode_ns) from [] (sysfs_create_file_ns+0x3c/0x48) [] (sysfs_create_file_ns) from [] (thermal_zone_bind_cooling_device+0x260/0x358) [] (thermal_zone_bind_cooling_device) from [] (of_thermal_bind+0x88/0xb4) [] (of_thermal_bind) from [] (__thermal_cooling_device_register+0x17c/0x2e0) [] (__thermal_cooling_device_register) from [] (__cpufreq_cooling_register+0x3a0/0x51c) [] (__cpufreq_cooling_register) from [] (cpufreq_ready+0x44/0x88 [cpufreq_dt]) [] (cpufreq_ready [cpufreq_dt]) from [] (cpufreq_add_dev+0x4a0/0x7dc) [] (cpufreq_add_dev) from [] (subsys_interface_register+0x94/0xd8) [] (subsys_interface_register) from [] (cpufreq_register_driver+0x10c/0x1f0) [] (cpufreq_register_driver) from [] (dt_cpufreq_probe+0x60/0x8c [cpufreq_dt]) [] (dt_cpufreq_probe [cpufreq_dt]) from [] (platform_drv_probe+0x44/0xa4) [] (platform_drv_probe) from [] (driver_probe_device+0x174/0x2b4) [] (driver_probe_device) from [] (__driver_attach+0x8c/0x90) [] (__driver_attach) from [] (bus_for_each_dev+0x68/0x9c) [] (bus_for_each_dev) from [] (bus_add_driver+0x19c/0x214) [] (bus_add_driver) from [] (driver_register+0x78/0xf8) [] (driver_register) from [] (do_one_initcall+0x8c/0x1d4) [] (do_one_initcall) from [] (do_init_module+0x5c/0x1b8) [] (do_init_module) from [] (load_module+0xd34/0xed8) [] (load_module) from [] (SyS_init_module+0xd0/0x120) [] (SyS_init_module) from [] (ret_fast_syscall+0x0/0x3c) ---[ end trace 3be0e7b7dc6e3c4f ]--- Fixes: db91651311c8 ("thermal: export weight to sysfs") Signed-off-by: Viresh Kumar --- drivers/thermal/thermal_core.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/thermal/thermal_core.c b/drivers/thermal/thermal_core.c index 04659bfb888b..4ca211be4c0f 100644 --- a/drivers/thermal/thermal_core.c +++ b/drivers/thermal/thermal_core.c @@ -1333,6 +1333,7 @@ int thermal_zone_unbind_cooling_device(struct thermal_zone_device *tz, return -ENODEV; unbind: + device_remove_file(&tz->device, &pos->weight_attr); device_remove_file(&tz->device, &pos->attr); sysfs_remove_link(&tz->device.kobj, pos->name); release_idr(&tz->idr, &tz->lock, pos->id); -- 2.4.0 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/