linux-kernel - [PATCH v3 2/3] tty: n_gsm: clean up dead code in gsm

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Date:   Wed, 20 Apr 2022 03:13:45 -0700
From:   "D. Starke" <daniel.starke@...mens.com>
To:     linux-serial@...r.kernel.org, gregkh@...uxfoundation.org,
        jirislaby@...nel.org
Cc:     linux-kernel@...r.kernel.org,
        Daniel Starke <daniel.starke@...mens.com>
Subject: [PATCH v3 2/3] tty: n_gsm: clean up dead code in gsm_queue()

From: Daniel Starke <daniel.starke@...mens.com>

Remove commented out code as it is never used and if anyone accidentally
turned it on, it would be broken.

Signed-off-by: Daniel Starke <daniel.starke@...mens.com>
---
 drivers/tty/n_gsm.c | 4 ----
 1 file changed, 4 deletions(-)

The commit title and message was adjusted as recommended in the remarks for
the original patch. This is only a cleanup now and not a fix. The remark
for backporting was also removed. The code change remains as it was
originally.
This is version 3 of the patch because the second version was missing the
change remarks.

Link: https://lore.kernel.org/all/YlkRO6fAPCuWyT1Y@kroah.com/

diff --git a/drivers/tty/n_gsm.c b/drivers/tty/n_gsm.c
index 07d03447cdfd..1b4077006744 100644
--- a/drivers/tty/n_gsm.c
+++ b/drivers/tty/n_gsm.c
@@ -1894,10 +1894,6 @@ static void gsm_queue(struct gsm_mux *gsm)
 	case UI|PF:
 	case UIH:
 	case UIH|PF:
-#if 0
-		if (cr)
-			goto invalid;
-#endif
 		if (dlci == NULL || dlci->state != DLCI_OPEN) {
 			gsm_command(gsm, address, DM|PF);
 			return;
-- 
2.25.1