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The following functions in hci_core are always called with hdev->lock held. No need to use list_for_each_entry_rcu(), therefore change the usage of list_for_each_entry_rcu() in these functions to list_for_each_entry(). hci_link_keys_clear() hci_smp_ltks_clear() hci_smp_irks_clear() hci_blocked_keys_clear() Warning encountered with CONFIG_PROVE_RCU_LIST: [ 72.213184] ============================= [ 72.213188] WARNING: suspicious RCU usage [ 72.213192] 5.6.0-rc1+ #5 Not tainted [ 72.213195] ----------------------------- [ 72.213198] net/bluetooth/hci_core.c:2288 RCU-list traversed in non-reader section!! [ 72.213676] ============================= [ 72.213679] WARNING: suspicious RCU usage [ 72.213683] 5.6.0-rc1+ #5 Not tainted [ 72.213685] ----------------------------- [ 72.213689] net/bluetooth/hci_core.c:2298 RCU-list traversed in non-reader section!! [ 72.214195] ============================= [ 72.214198] WARNING: suspicious RCU usage [ 72.214201] 5.6.0-rc1+ #5 Not tainted [ 72.214204] ----------------------------- [ 72.214208] net/bluetooth/hci_core.c:2308 RCU-list traversed in non-reader section!! [ 333.456972] ============================= [ 333.456979] WARNING: suspicious RCU usage [ 333.457001] 5.6.0-rc1+ #5 Not tainted [ 333.457007] ----------------------------- [ 333.457014] net/bluetooth/hci_core.c:2318 RCU-list traversed in non-reader section!! Signed-off-by: Madhuparna Bhowmik <madhuparnabhowmik10@gmail.com> Signed-off-by: Marcel Holtmann <marcel@holtmann.org> |
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| .. | ||
| bnep | ||
| cmtp | ||
| hidp | ||
| rfcomm | ||
| 6lowpan.c | ||
| a2mp.c | ||
| a2mp.h | ||
| af_bluetooth.c | ||
| amp.c | ||
| amp.h | ||
| ecdh_helper.c | ||
| ecdh_helper.h | ||
| hci_conn.c | ||
| hci_core.c | ||
| hci_debugfs.c | ||
| hci_debugfs.h | ||
| hci_event.c | ||
| hci_request.c | ||
| hci_request.h | ||
| hci_sock.c | ||
| hci_sysfs.c | ||
| Kconfig | ||
| l2cap_core.c | ||
| l2cap_sock.c | ||
| leds.c | ||
| leds.h | ||
| lib.c | ||
| Makefile | ||
| mgmt_util.c | ||
| mgmt_util.h | ||
| mgmt.c | ||
| sco.c | ||
| selftest.c | ||
| selftest.h | ||
| smp.c | ||
| smp.h | ||