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UPSTREAM: clk: rockchip: release io resource when failing to init clk
[firefly-linux-kernel-4.4.55.git]
/
drivers
/
tty
/
tty_buffer.c
diff --git
a/drivers/tty/tty_buffer.c
b/drivers/tty/tty_buffer.c
index 9a479e61791a2a80cd0ae3fd5c93c6d0873d6998..3cd31e0d4bd9545b5357cda0ffa14373d181e670 100644
(file)
--- a/
drivers/tty/tty_buffer.c
+++ b/
drivers/tty/tty_buffer.c
@@
-450,7
+450,7
@@
receive_buf(struct tty_struct *tty, struct tty_buffer *head, int count)
count = disc->ops->receive_buf2(tty, p, f, count);
else {
count = min_t(int, count, tty->receive_room);
- if (count)
+ if (count
&& disc->ops->receive_buf
)
disc->ops->receive_buf(tty, p, f, count);
}
return count;