Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
Merge tag 'driver-core-5.12-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core
Pull driver core fix from Greg KH:
"Here is a single driver core fix for 5.12-rc7 to resolve a reported
problem that caused some devices to lockup when booting. It has been
in linux-next with no reported issues"
* tag 'driver-core-5.12-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core:
driver core: Fix locking bug in deferred_probe_timeout_work_func()
+5
-3
+5
-3
drivers/base/dd.c
+5
-3
drivers/base/dd.c
···
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static void deferred_probe_timeout_work_func(struct work_struct *work)
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{
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-
struct device_private *private, *p;
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+
struct device_private *p;
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driver_deferred_probe_timeout = 0;
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driver_deferred_probe_trigger();
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flush_work(&deferred_probe_work);
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-
list_for_each_entry_safe(private, p, &deferred_probe_pending_list, deferred_probe)
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-
dev_info(private->device, "deferred probe pending\n");
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+
mutex_lock(&deferred_probe_mutex);
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+
list_for_each_entry(p, &deferred_probe_pending_list, deferred_probe)
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+
dev_info(p->device, "deferred probe pending\n");
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+
mutex_unlock(&deferred_probe_mutex);
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wake_up_all(&probe_timeout_waitqueue);
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}
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static DECLARE_DELAYED_WORK(deferred_probe_timeout_work, deferred_probe_timeout_work_func);