diff options
author | Benjamin Herrenschmidt <benh@kernel.crashing.org> | 2010-02-26 14:41:00 +1100 |
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committer | Benjamin Herrenschmidt <benh@kernel.crashing.org> | 2010-02-26 14:41:00 +1100 |
commit | 874f2f997dbe041a6c6e509dae8656ed9022d65d (patch) | |
tree | 61898165882041ef7f9beaf2ef6663a1a4d3c29a /drivers/scsi/fcoe/fcoe.c | |
parent | 071c06cb570d38efe23a124e885f2f3e643a9206 (diff) | |
parent | 6ebdc661b608671e9ca572af8bb42d58108cc008 (diff) |
Merge commit 'origin/master' into next
Manual merge of:
drivers/char/hvc_console.c
drivers/char/hvc_console.h
Diffstat (limited to 'drivers/scsi/fcoe/fcoe.c')
-rw-r--r-- | drivers/scsi/fcoe/fcoe.c | 18 |
1 files changed, 16 insertions, 2 deletions
diff --git a/drivers/scsi/fcoe/fcoe.c b/drivers/scsi/fcoe/fcoe.c index 10be9f36a4c..2f47ae7cce9 100644 --- a/drivers/scsi/fcoe/fcoe.c +++ b/drivers/scsi/fcoe/fcoe.c @@ -2009,6 +2009,8 @@ static int fcoe_destroy(const char *buffer, struct kernel_param *kp) fcoe_interface_cleanup(fcoe); rtnl_unlock(); fcoe_if_destroy(fcoe->ctlr.lp); + module_put(THIS_MODULE); + out_putdev: dev_put(netdev); out_nodev: @@ -2059,6 +2061,11 @@ static int fcoe_create(const char *buffer, struct kernel_param *kp) } #endif + if (!try_module_get(THIS_MODULE)) { + rc = -EINVAL; + goto out_nomod; + } + rtnl_lock(); netdev = fcoe_if_to_netdev(buffer); if (!netdev) { @@ -2099,17 +2106,24 @@ static int fcoe_create(const char *buffer, struct kernel_param *kp) if (!fcoe_link_ok(lport)) fcoe_ctlr_link_up(&fcoe->ctlr); - rc = 0; -out_free: /* * Release from init in fcoe_interface_create(), on success lport * should be holding a reference taken in fcoe_if_create(). */ fcoe_interface_put(fcoe); + dev_put(netdev); + rtnl_unlock(); + mutex_unlock(&fcoe_config_mutex); + + return 0; +out_free: + fcoe_interface_put(fcoe); out_putdev: dev_put(netdev); out_nodev: rtnl_unlock(); + module_put(THIS_MODULE); +out_nomod: mutex_unlock(&fcoe_config_mutex); return rc; } |