From f1c93e4946ae1cc268729451de6335a7e7d2bea9 Mon Sep 17 00:00:00 2001 From: Richard Weinberger Date: Mon, 25 Jul 2011 17:12:55 -0700 Subject: [PATCH] um: remove dead code GCC 4.6's -Wunused-but-set-variable found some dead code. Signed-off-by: Richard Weinberger Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- arch/um/drivers/chan_kern.c | 3 +-- arch/um/drivers/line.c | 3 +-- arch/um/kernel/reboot.c | 3 +-- 3 files changed, 3 insertions(+), 6 deletions(-) diff --git a/arch/um/drivers/chan_kern.c b/arch/um/drivers/chan_kern.c index 25e1965df7ce..d4191fe1cede 100644 --- a/arch/um/drivers/chan_kern.c +++ b/arch/um/drivers/chan_kern.c @@ -543,11 +543,10 @@ int parse_chan_pair(char *str, struct line *line, int device, const struct chan_opts *opts, char **error_out) { struct list_head *chans = &line->chan_list; - struct chan *new, *chan; + struct chan *new; char *in, *out; if (!list_empty(chans)) { - chan = list_entry(chans->next, struct chan, list); free_chan(chans, 0); INIT_LIST_HEAD(chans); } diff --git a/arch/um/drivers/line.c b/arch/um/drivers/line.c index 35dd0b86401a..d51c404239a8 100644 --- a/arch/um/drivers/line.c +++ b/arch/um/drivers/line.c @@ -176,10 +176,9 @@ void line_flush_buffer(struct tty_struct *tty) { struct line *line = tty->driver_data; unsigned long flags; - int err; spin_lock_irqsave(&line->lock, flags); - err = flush_buffer(line); + flush_buffer(line); spin_unlock_irqrestore(&line->lock, flags); } diff --git a/arch/um/kernel/reboot.c b/arch/um/kernel/reboot.c index 869bec9f2516..4d93dff6b371 100644 --- a/arch/um/kernel/reboot.c +++ b/arch/um/kernel/reboot.c @@ -20,9 +20,8 @@ static void kill_off_processes(void) os_kill_ptraced_process(userspace_pid[0], 1); else { struct task_struct *p; - int pid, me; + int pid; - me = os_getpid(); for_each_process(p) { if (p->mm == NULL) continue;