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Merge branch 's3c-fixes-rc4' of git://aeryn.fluff.org.uk/bjdooks/linux
[GitHub/mt8127/android_kernel_alcatel_ttab.git]
/
drivers
/
char
/
tty_io.c
diff --git
a/drivers/char/tty_io.c
b/drivers/char/tty_io.c
index 939e198d7670adfdad2068b4036a8d9348779444..a3afa0c387cdeb79c9dc9a406eb70935ceaf50d4 100644
(file)
--- a/
drivers/char/tty_io.c
+++ b/
drivers/char/tty_io.c
@@
-1263,7
+1263,9
@@
static int tty_reopen(struct tty_struct *tty)
tty->count++;
tty->driver = driver; /* N.B. why do this every time?? */
+ mutex_lock(&tty->ldisc_mutex);
WARN_ON(!test_bit(TTY_LDISC, &tty->flags));
+ mutex_unlock(&tty->ldisc_mutex);
return 0;
}