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module: Ensure a module's state is set accordingly during module coming cleanup code

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In load_module() in the event of an error, for e.g. unknown module
parameter(s) specified we go to perform some module coming clean up
operations. At this point the module is still in a "formed" state
when it is actually going away.

This patch updates the module's state accordingly to ensure anyone on the
module_notify_list waiting for a module going away notification will be
notified accordingly.

Signed-off-by: Aaron Tomlin <atomlin@redhat.com>
Acked-by: Rusty Russell <rusty@rustcorp.com.au>
Reviewed-by: Miroslav Benes <mbenes@suse.cz>
Link: http://lkml.kernel.org/r/1476980293-19062-2-git-send-email-atomlin@redhat.com
Signed-off-by: Jessica Yu <jeyu@redhat.com>
This commit is contained in:
Aaron Tomlin 2016-10-20 17:18:12 +01:00 committed by Jessica Yu
parent c714965f58
commit 885a78d4a5
1 changed files with 1 additions and 0 deletions
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kernel/module.c
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@ -3697,6 +3697,7 @@ static int load_module(struct load_info *info, const char __user *uargs,
sysfs_cleanup:
mod_sysfs_teardown(mod);
coming_cleanup:
mod->state = MODULE_STATE_GOING;
blocking_notifier_call_chain(&module_notify_list,
MODULE_STATE_GOING, mod);
klp_module_going(mod);