Merge branch 'mpi-master' into wip-k-fmlpwip-k-fmlp

Conflicts:
	litmus/sched_cedf.c

1 files changed, 7 insertions, 6 deletions

diff --git a/arch/um/drivers/line.c b/arch/um/drivers/line.c
index 7f7338c90784..35dd0b86401a 100644
--- a/arch/um/drivers/line.c
+++ b/arch/um/drivers/line.c
@@ -255,8 +255,8 @@ static const struct {
         { KDSIGACCEPT, KERN_INFO,  "KDSIGACCEPT" },
 };
 
-int line_ioctl(struct tty_struct *tty, struct file * file,
-               unsigned int cmd, unsigned long arg)
+int line_ioctl(struct tty_struct *tty, unsigned int cmd,
+                                unsigned long arg)
 {
         int ret;
         int i;
@@ -727,6 +727,9 @@ struct winch {
 
 static void free_winch(struct winch *winch, int free_irq_ok)
 {
+        if (free_irq_ok)
+                free_irq(WINCH_IRQ, winch);
+
         list_del(&winch->list);
 
         if (winch->pid != -1)
@@ -735,8 +738,6 @@ static void free_winch(struct winch *winch, int free_irq_ok)
                 os_close_file(winch->fd);
         if (winch->stack != 0)
                 free_stack(winch->stack, 0);
-        if (free_irq_ok)
-                free_irq(WINCH_IRQ, winch);
         kfree(winch);
 }
 
@@ -820,12 +821,12 @@ void register_winch_irq(int fd, int tty_fd, int pid, struct tty_struct *tty,
 
 static void unregister_winch(struct tty_struct *tty)
 {
-        struct list_head *ele;
+        struct list_head *ele, *next;
         struct winch *winch;
 
         spin_lock(&winch_handler_lock);
 
-        list_for_each(ele, &winch_handlers) {
+        list_for_each_safe(ele, next, &winch_handlers) {
                 winch = list_entry(ele, struct winch, list);
                 if (winch->tty == tty) {
                         free_winch(winch, 1);