5 files changed, 25 insertions, 8 deletions

diff --git a/drivers/char/Kconfig b/drivers/char/Kconfig
index 5dce3877eee5..595a925c62a9 100644
--- a/drivers/char/Kconfig
+++ b/drivers/char/Kconfig
@@ -196,6 +196,7 @@ config ESPSERIAL
 config MOXA_INTELLIO
         tristate "Moxa Intellio support"
         depends on SERIAL_NONSTANDARD && (ISA || EISA || PCI)
+        select FW_LOADER
         help
           Say Y here if you have a Moxa Intellio multiport serial card.
 
diff --git a/drivers/char/ipmi/ipmi_si_intf.c b/drivers/char/ipmi/ipmi_si_intf.c
index 5a5455585c1d..192688344ed2 100644
--- a/drivers/char/ipmi/ipmi_si_intf.c
+++ b/drivers/char/ipmi/ipmi_si_intf.c
@@ -2352,10 +2352,16 @@ static int __devinit ipmi_of_probe(struct of_device *dev,
 
         info->si_type           = (enum si_type) match->data;
         info->addr_source       = "device-tree";
-        info->io_setup          = mem_setup;
         info->irq_setup         = std_irq_setup;
 
-        info->io.addr_type      = IPMI_MEM_ADDR_SPACE;
+        if (resource.flags & IORESOURCE_IO) {
+                info->io_setup          = port_setup;
+                info->io.addr_type      = IPMI_IO_ADDR_SPACE;
+        } else {
+                info->io_setup          = mem_setup;
+                info->io.addr_type      = IPMI_MEM_ADDR_SPACE;
+        }
+
         info->io.addr_data      = resource.start;
 
         info->io.regsize        = regsize ? *regsize : DEFAULT_REGSIZE;
diff --git a/drivers/char/n_tty.c b/drivers/char/n_tty.c
index 19105ec203f7..8096389b0dc2 100644
--- a/drivers/char/n_tty.c
+++ b/drivers/char/n_tty.c
@@ -282,16 +282,20 @@ static int opost(unsigned char c, struct tty_struct *tty)
                         if (O_ONLRET(tty))
                                 tty->column = 0;
                         if (O_ONLCR(tty)) {
-                                if (space < 2)
+                                if (space < 2) {
+                                        unlock_kernel();
                                         return -1;
+                                }
                                 tty_put_char(tty, '\r');
                                 tty->column = 0;
                         }
                         tty->canon_column = tty->column;
                         break;
                 case '\r':
-                        if (O_ONOCR(tty) && tty->column == 0)
+                        if (O_ONOCR(tty) && tty->column == 0) {
+                                unlock_kernel();
                                 return 0;
+                        }
                         if (O_OCRNL(tty)) {
                                 c = '\n';
                                 if (O_ONLRET(tty))
@@ -303,10 +307,13 @@ static int opost(unsigned char c, struct tty_struct *tty)
                 case '\t':
                         spaces = 8 - (tty->column & 7);
                         if (O_TABDLY(tty) == XTABS) {
-                                if (space < spaces)
+                                if (space < spaces) {
+                                        unlock_kernel();
                                         return -1;
+                                }
                                 tty->column += spaces;
                                 tty->ops->write(tty, "        ", spaces);
+                                unlock_kernel();
                                 return 0;
                         }
                         tty->column += spaces;
diff --git a/drivers/char/synclink_gt.c b/drivers/char/synclink_gt.c
index 2001b0e52dc6..55c1653be00c 100644
--- a/drivers/char/synclink_gt.c
+++ b/drivers/char/synclink_gt.c
@@ -916,7 +916,7 @@ static int put_char(struct tty_struct *tty, unsigned char ch)
 {
         struct slgt_info *info = tty->driver_data;
         unsigned long flags;
-        int ret;
+        int ret = 0;
 
         if (sanity_check(info, tty->name, "put_char"))
                 return 0;
diff --git a/drivers/char/tty_io.c b/drivers/char/tty_io.c
index 49c1a2267a55..e94bee032314 100644
--- a/drivers/char/tty_io.c
+++ b/drivers/char/tty_io.c
@@ -1215,10 +1215,11 @@ int tty_check_change(struct tty_struct *tty)
 
         if (!tty->pgrp) {
                 printk(KERN_WARNING "tty_check_change: tty->pgrp == NULL!\n");
-                goto out;
+                goto out_unlock;
         }
         if (task_pgrp(current) == tty->pgrp)
-                goto out;
+                goto out_unlock;
+        spin_unlock_irqrestore(&tty->ctrl_lock, flags);
         if (is_ignored(SIGTTOU))
                 goto out;
         if (is_current_pgrp_orphaned()) {
@@ -1229,6 +1230,8 @@ int tty_check_change(struct tty_struct *tty)
         set_thread_flag(TIF_SIGPENDING);
         ret = -ERESTARTSYS;
 out:
+        return ret;
+out_unlock:
         spin_unlock_irqrestore(&tty->ctrl_lock, flags);
         return ret;
 }