diff --git a/drivers/char/ipmi/ipmi_msghandler.c b/drivers/char/ipmi/ipmi_msghandler.c index 606d561fe0e2..51832b8a2c62 100644 --- a/drivers/char/ipmi/ipmi_msghandler.c +++ b/drivers/char/ipmi/ipmi_msghandler.c @@ -1291,18 +1291,19 @@ int ipmi_set_my_address(struct ipmi_user *user, unsigned int channel, unsigned char address) { - int index; + int index, rv = 0; user = acquire_ipmi_user(user, &index); if (!user) return -ENODEV; if (channel >= IPMI_MAX_CHANNELS) - return -EINVAL; - user->intf->addrinfo[channel].address = address; + rv = -EINVAL; + else + user->intf->addrinfo[channel].address = address; release_ipmi_user(user, index); - return 0; + return rv; } EXPORT_SYMBOL(ipmi_set_my_address); @@ -1310,18 +1311,19 @@ int ipmi_get_my_address(struct ipmi_user *user, unsigned int channel, unsigned char *address) { - int index; + int index, rv = 0; user = acquire_ipmi_user(user, &index); if (!user) return -ENODEV; if (channel >= IPMI_MAX_CHANNELS) - return -EINVAL; - *address = user->intf->addrinfo[channel].address; + rv = -EINVAL; + else + *address = user->intf->addrinfo[channel].address; release_ipmi_user(user, index); - return 0; + return rv; } EXPORT_SYMBOL(ipmi_get_my_address); @@ -1329,15 +1331,16 @@ int ipmi_set_my_LUN(struct ipmi_user *user, unsigned int channel, unsigned char LUN) { - int index; + int index, rv = 0; user = acquire_ipmi_user(user, &index); if (!user) return -ENODEV; if (channel >= IPMI_MAX_CHANNELS) - return -EINVAL; - user->intf->addrinfo[channel].lun = LUN & 0x3; + rv = -EINVAL; + else + user->intf->addrinfo[channel].lun = LUN & 0x3; release_ipmi_user(user, index); return 0; @@ -1348,18 +1351,19 @@ int ipmi_get_my_LUN(struct ipmi_user *user, unsigned int channel, unsigned char *address) { - int index; + int index, rv = 0; user = acquire_ipmi_user(user, &index); if (!user) return -ENODEV; if (channel >= IPMI_MAX_CHANNELS) - return -EINVAL; - *address = user->intf->addrinfo[channel].lun; + rv = -EINVAL; + else + *address = user->intf->addrinfo[channel].lun; release_ipmi_user(user, index); - return 0; + return rv; } EXPORT_SYMBOL(ipmi_get_my_LUN); @@ -1540,8 +1544,10 @@ int ipmi_register_for_cmd(struct ipmi_user *user, return -ENODEV; rcvr = kmalloc(sizeof(*rcvr), GFP_KERNEL); - if (!rcvr) - return -ENOMEM; + if (!rcvr) { + rv = -ENOMEM; + goto out_release; + } rcvr->cmd = cmd; rcvr->netfn = netfn; rcvr->chans = chans; @@ -1559,10 +1565,11 @@ int ipmi_register_for_cmd(struct ipmi_user *user, list_add_rcu(&rcvr->link, &intf->cmd_rcvrs); - out_unlock: +out_unlock: mutex_unlock(&intf->cmd_rcvrs_mutex); if (rv) kfree(rcvr); +out_release: release_ipmi_user(user, index); return rv;