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authorRichard Weinberger <richard@nod.at>2011-07-25 17:12:55 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2011-07-25 20:57:13 -0700
commitf1c93e4946ae1cc268729451de6335a7e7d2bea9 (patch)
treeed1ed33faf640af3544963b0afc085ec8ed9e640 /arch/um
parent39073db15bf9016003e8a4e607d517f4928b713c (diff)
downloadop-kernel-dev-f1c93e4946ae1cc268729451de6335a7e7d2bea9.zip
op-kernel-dev-f1c93e4946ae1cc268729451de6335a7e7d2bea9.tar.gz
um: remove dead code
GCC 4.6's -Wunused-but-set-variable found some dead code. Signed-off-by: Richard Weinberger <richard@nod.at> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'arch/um')
-rw-r--r--arch/um/drivers/chan_kern.c3
-rw-r--r--arch/um/drivers/line.c3
-rw-r--r--arch/um/kernel/reboot.c3
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;
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