[Patch] UML: Make a function static

[WANG Cong]

arch/um/drivers/chan_kern.c::open_chan() can become static.

Compile testing passed.

Cc: Jeff Dike <jdike@xxxxxxxxxxx>
Signed-off-by: WANG Cong <wangcong@xxxxxxxxx>

---
 arch/um/drivers/chan_kern.c |    2 +-
 arch/um/include/chan_kern.h |    1 -
 2 files changed, 1 insertions(+), 2 deletions(-)

diff --git a/arch/um/drivers/chan_kern.c b/arch/um/drivers/chan_kern.c
index db3082b..de22a10 100644
--- a/arch/um/drivers/chan_kern.c
+++ b/arch/um/drivers/chan_kern.c
@@ -125,7 +125,7 @@ static int open_one_chan(struct chan *chan)
 	return 0;
 }
 
-int open_chan(struct list_head *chans)
+static int open_chan(struct list_head *chans)
 {
 	struct list_head *ele;
 	struct chan *chan;
diff --git a/arch/um/include/chan_kern.h b/arch/um/include/chan_kern.h
index 624b510..de5f697 100644
--- a/arch/um/include/chan_kern.h
+++ b/arch/um/include/chan_kern.h
@@ -31,7 +31,6 @@ extern void chan_interrupt(struct list_head *chans, struct delayed_work *task,
 			   struct tty_struct *tty, int irq);
 extern int parse_chan_pair(char *str, struct line *line, int device,
 			   const struct chan_opts *opts, char **error_out);
-extern int open_chan(struct list_head *chans);
 extern int write_chan(struct list_head *chans, const char *buf, int len,
 			     int write_irq);
 extern int console_write_chan(struct list_head *chans, const char *buf, 
-- 
1.5.2.4

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