As you are already in a tasklet, it is unnecessary to call spin_lock_bh.
Signed-off-by: jun qian <hangdia...@163.com>
Cc: Barry song <21cn...@gmail.com>
---
drivers/s390/char/tty3270.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/drivers/s390/char/tty3270.c b/drivers/s390/char/tty3270.c
index 5b8af2782282..fb1bc0db7e68 100644
--- a/drivers/s390/char/tty3270.c
+++ b/drivers/s390/char/tty3270.c
@@ -563,7 +563,7 @@ tty3270_read_tasklet(struct raw3270_request *rrq)
char *input;
int len;
- spin_lock_bh(&tp->view.lock);
+ spin_lock(&tp->view.lock);
/*
* Two AID keys are special: For 0x7d (enter) the input line
* has to be emitted to the tty and for 0x6d the screen
@@ -590,7 +590,7 @@ tty3270_read_tasklet(struct raw3270_request *rrq)
tp->update_flags = TTY_UPDATE_ALL;
tty3270_set_timer(tp, 1);
}
- spin_unlock_bh(&tp->view.lock);
+ spin_unlock(&tp->view.lock);
/* Start keyboard reset command. */
raw3270_request_reset(tp->kreset);
--
2.17.1
