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authorTedd Ho-Jeong An2015-06-30 11:43:40 -0700
committerMarcel Holtmann2015-06-30 21:46:19 +0200
commitab944c83f6690df0c7f67e6bcc29fc0c82ef6021 (patch)
tree6bd6bc8d21cab72ef5c07b1e1fa963668fdb4b4c /Documentation/trace
parent7c258670ce655659a4c8d1013676c55e74d09ee7 (diff)
Bluetooth: Reinitialize the list after deletion for session user list
If the user->list is deleted with list_del(), it doesn't initialize the entry which can cause the issue with list_empty(). According to the comment from the list.h, list_empty() returns false even if the list is empty and put the entry in an undefined state. /** * list_del - deletes entry from list. * @entry: the element to delete from the list. * Note: list_empty() on entry does not return true after this, the entry is * in an undefined state. */ Because of this behavior, list_empty() returns false even if list is empty when the device is reconnected. So, user->list needs to be re-initialized after list_del(). list.h already have a macro list_del_init() which deletes the entry and initailze it again. Signed-off-by: Tedd Ho-Jeong An <tedd.an@intel.com> Tested-by: Jörg Otte <jrg.otte@gmail.com> Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
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