3.12-stable review patch. If anyone has any objections, please let me know.
------------------
From: Roel Kluin <roel.kluin@xxxxxxxxx>
commit c476f6584b0011741b4f0316f1ac4aa3a99403e1 upstream.
test echo_buf() result for ECHO_OP_START
Signed-off-by: Roel Kluin <roel.kluin@xxxxxxxxx>
Acked-by: Peter Hurley <peter@xxxxxxxxxxxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
drivers/tty/n_tty.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
--- a/drivers/tty/n_tty.c
+++ b/drivers/tty/n_tty.c
@@ -767,7 +767,7 @@ static size_t __process_echoes(struct tt
* of echo overrun before the next commit), then discard enough
* data at the tail to prevent a subsequent overrun */
while (ldata->echo_commit - tail >= ECHO_DISCARD_WATERMARK) {
- if (echo_buf(ldata, tail == ECHO_OP_START)) {
+ if (echo_buf(ldata, tail) == ECHO_OP_START) {
if (echo_buf(ldata, tail) == ECHO_OP_ERASE_TAB)
tail += 3;
else
--
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