GCC 4.6's -Wunused-but-set-variable found some dead code.
Signed-off-by: Richard Weinberger <rich...@nod.at>
---
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 25e1965..d4191fe 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 35dd0b8..d51c404 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 869bec9..4d93dff 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;
--
1.7.6
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