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While debugging some PM issues and trying to remove all the loaded modules, I ran across the following when unloading ti-soc-thermal: Unable to handle kernel NULL pointer dereference at virtual address 000000b4 ... [<c08db340>] (kobject_put) from [<bf28954c>] (ti_thermal_unregister_cpu_cooling+0x20/0x28 [ti_soc_thermal]) [<bf28954c>] (ti_thermal_unregister_cpu_cooling [ti_soc_thermal]) from [<bf287c88>] (ti_bandgap_remove+0x3c/0x104 [ti_soc_thermal]) [<bf287c88>] (ti_bandgap_remove [ti_soc_thermal]) from [<c0610d48>] (platform_drv_remove+0x24/0x3c) [<c0610d48>] (platform_drv_remove) from [<c060f114>] (device_release_driver_internal+0x160/0x208) [<c060f114>] (device_release_driver_internal) from [<c060f200>] (driver_detach+0x38/0x6c) [<c060f200>] (driver_detach) from [<c060e2d4>] (bus_remove_driver+0x4c/0xa0) [<c060e2d4>] (bus_remove_driver) from [<c01f2370>] (SyS_delete_module+0x168/0x238) [<c01f2370>] (SyS_delete_module) from [<c0108240>] (ret_fast_syscall+0x0/0x28) Cc: Keerthy <j-keerthy@ti.com> Signed-off-by: Tony Lindgren <tony@atomide.com> Signed-off-by: Eduardo Valentin <edubezval@gmail.com>
Linux kernel ============ This file was moved to Documentation/admin-guide/README.rst Please notice that there are several guides for kernel developers and users. These guides can be rendered in a number of formats, like HTML and PDF. In order to build the documentation, use ``make htmldocs`` or ``make pdfdocs``. There are various text files in the Documentation/ subdirectory, several of them using the Restructured Text markup notation. See Documentation/00-INDEX for a list of what is contained in each file. Please read the Documentation/process/changes.rst file, as it contains the requirements for building and running the kernel, and information about the problems which may result by upgrading your kernel.