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Kernel: Disallow loading a module twice without explicitly unloading it

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This ensures that a module has the chance to run its cleanup functions
before it's taken out of service.
This commit is contained in:
Conrad Pankoff 2019-12-24 11:40:26 +11:00 committed by Andreas Kling
parent ff3003c645
commit 9a8032b479
Notes: sideshowbarker 2024-07-19 10:43:46 +09:00 
Author: https://github.com/deoxxa
Commit: https://github.com/SerenityOS/serenity/commit/9a8032b4791
Pull-request: https://github.com/SerenityOS/serenity/pull/906
1 changed files with 5 additions and 0 deletions
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5
Kernel/Process.cpp
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@ -3699,6 +3699,11 @@ int Process::sys$module_load(const char* path, size_t path_length)
if (!module->module_init)
return -EINVAL;
if (g_modules->contains(module->name)) {
dbg() << "a module with the name " << module->name << " is already loaded; please unload it first";
return -EEXIST;
}
module->module_init();
auto name = module->name;