A-Team_Digital_Solutions/android_kernel_motorola_sm6375
Watch
2
0
Fork
You've already forked android_kernel_motorola_sm6375
 0
mirror of https://github.com/BobTheBlinker/android_kernel_motorola_sm6375.git synced 2026-10-30 11:41:38 -04:00
Code Issues Projects Releases Packages Wiki Activity

tcm_fc: Resolve suspicious RCU usage warnings

Browse source 
Use rcu_dereference_protected to tell rcu that the ft_lport_lock
is held during ft_lport_create. This resolved "suspicious RCU usage"
warnings when debugging options are turned on.

Signed-off-by: Mark Rustad <[email protected]>
Tested-by: Ross Brattain <[email protected]>
Cc: <[email protected]>
Signed-off-by: Nicholas Bellinger <[email protected]>
This commit is contained in:
Mark Rustad 2012-06-26 15:57:30 -07:00 • committed by Nicholas Bellinger
commit 863555be0c
1 changed files with 2 additions and 1 deletions
Download patch file Download diff file Expand all files Collapse all files

3
drivers/target/tcm_fc/tfc_sess.c
View file

@ -58,7 +58,8 @@ static struct ft_tport *ft_tport_create(struct fc_lport *lport)
struct ft_tport *tport;
int i;
tport = rcu_dereference(lport->prov[FC_TYPE_FCP]);
tport = rcu_dereference_protected(lport->prov[FC_TYPE_FCP],
lockdep_is_held(&ft_lport_lock));
if (tport && tport->tpg)
return tport;