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d7d41682ef
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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| .. | ||
| 6lowpan | ||
| 9p | ||
| 802 | ||
| 8021q | ||
| appletalk | ||
| atm | ||
| ax25 | ||
| batman-adv | ||
| bluetooth | ||
| bpf | ||
| bpfilter | ||
| bridge | ||
| caif | ||
| can | ||
| ceph | ||
| core | ||
| dcb | ||
| dccp | ||
| decnet | ||
| dns_resolver | ||
| dsa | ||
| ethernet | ||
| ethtool | ||
| hsr | ||
| ieee802154 | ||
| ife | ||
| ipv4 | ||
| ipv6 | ||
| iucv | ||
| kcm | ||
| key | ||
| l2tp | ||
| l3mdev | ||
| lapb | ||
| llc | ||
| mac80211 | ||
| mac802154 | ||
| mpls | ||
| mptcp | ||
| ncsi | ||
| netfilter | ||
| netlabel | ||
| netlink | ||
| netrom | ||
| nfc | ||
| nsh | ||
| openvswitch | ||
| packet | ||
| phonet | ||
| psample | ||
| qrtr | ||
| rds | ||
| rfkill | ||
| rose | ||
| rxrpc | ||
| sched | ||
| sctp | ||
| smc | ||
| strparser | ||
| sunrpc | ||
| switchdev | ||
| tipc | ||
| tls | ||
| unix | ||
| vmw_vsock | ||
| wimax | ||
| wireless | ||
| x25 | ||
| xdp | ||
| xfrm | ||
| compat.c | ||
| Kconfig | ||
| Makefile | ||
| socket.c | ||
| sysctl_net.c | ||