diff options
| author | Olof Johansson <olof@lixom.net> | 2012-09-05 15:35:48 -0700 |
|---|---|---|
| committer | Olof Johansson <olof@lixom.net> | 2012-09-05 15:35:48 -0700 |
| commit | 1875962377574b4edb7b164001e3e341c25290d5 (patch) | |
| tree | 374a5299403ec21e2d9a66a6548ce876a388b589 /drivers/target/tcm_fc | |
| parent | 5cbee140a28c2746449ae31e85738043ae4da927 (diff) | |
| parent | c88a79a7789b2909ad1cf69ea2c9142030bbd6f4 (diff) | |
Merge branch 'soc-core' of git://git.kernel.org/pub/scm/linux/kernel/git/horms/renesas into next/dt
* 'soc-core' of git://git.kernel.org/pub/scm/linux/kernel/git/horms/renesas:
ARM: mach-shmobile: Add compilation support for dtbs using 'make dtbs'
+ sync to 3.6-rc3
Diffstat (limited to 'drivers/target/tcm_fc')
| -rw-r--r-- | drivers/target/tcm_fc/tcm_fc.h | 1 | ||||
| -rw-r--r-- | drivers/target/tcm_fc/tfc_cmd.c | 8 | ||||
| -rw-r--r-- | drivers/target/tcm_fc/tfc_sess.c | 4 |
3 files changed, 11 insertions, 2 deletions
diff --git a/drivers/target/tcm_fc/tcm_fc.h b/drivers/target/tcm_fc/tcm_fc.h index c5eb3c33c3d..eea69358ced 100644 --- a/drivers/target/tcm_fc/tcm_fc.h +++ b/drivers/target/tcm_fc/tcm_fc.h @@ -131,6 +131,7 @@ extern struct list_head ft_lport_list; extern struct mutex ft_lport_lock; extern struct fc4_prov ft_prov; extern struct target_fabric_configfs *ft_configfs; +extern unsigned int ft_debug_logging; /* * Fabric methods. diff --git a/drivers/target/tcm_fc/tfc_cmd.c b/drivers/target/tcm_fc/tfc_cmd.c index b9cb5006177..823e6922249 100644 --- a/drivers/target/tcm_fc/tfc_cmd.c +++ b/drivers/target/tcm_fc/tfc_cmd.c @@ -48,7 +48,7 @@ /* * Dump cmd state for debugging. */ -void ft_dump_cmd(struct ft_cmd *cmd, const char *caller) +static void _ft_dump_cmd(struct ft_cmd *cmd, const char *caller) { struct fc_exch *ep; struct fc_seq *sp; @@ -80,6 +80,12 @@ void ft_dump_cmd(struct ft_cmd *cmd, const char *caller) } } +void ft_dump_cmd(struct ft_cmd *cmd, const char *caller) +{ + if (unlikely(ft_debug_logging)) + _ft_dump_cmd(cmd, caller); +} + static void ft_free_cmd(struct ft_cmd *cmd) { struct fc_frame *fp; diff --git a/drivers/target/tcm_fc/tfc_sess.c b/drivers/target/tcm_fc/tfc_sess.c index 87901fa74dd..3c9e5b57caa 100644 --- a/drivers/target/tcm_fc/tfc_sess.c +++ b/drivers/target/tcm_fc/tfc_sess.c @@ -456,7 +456,9 @@ static void ft_prlo(struct fc_rport_priv *rdata) struct ft_tport *tport; mutex_lock(&ft_lport_lock); - tport = rcu_dereference(rdata->local_port->prov[FC_TYPE_FCP]); + tport = rcu_dereference_protected(rdata->local_port->prov[FC_TYPE_FCP], + lockdep_is_held(&ft_lport_lock)); + if (!tport) { mutex_unlock(&ft_lport_lock); return; |