linux-kernel - [PATCH staging/speakup v3 2/3] remove unnecessary initial allocation of vc

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Date:   Tue, 21 Mar 2017 12:40:23 +0530
From:   "Pranay Kr. Srivastava" <pranjas@...il.com>
To:     w.d.hubbs@...il.com, chris@...-brannons.com, kirk@...sers.ca,
        samuel.thibault@...-lyon.org, gregkh@...uxfoundation.org,
        sfr@...b.auug.org.au, speakup@...ux-speakup.org,
        devel@...verdev.osuosl.org, linux-kernel@...r.kernel.org
Cc:     "Pranay Kr. Srivastava" <pranjas@...il.com>
Subject: [PATCH staging/speakup v3 2/3] remove unnecessary initial allocation of vc

This patch removes the unnecessary allocation of
current foreground vc during initialization.

This initialization is already handled in the loop
that follows it for all available virtual consoles.

Signed-off-by: Pranay Kr. Srivastava <pranjas@...il.com>
Reviewed-by: Samuel Thibault <samuel.thibault@...-lyon.org>
---
 drivers/staging/speakup/main.c | 11 -----------
 1 file changed, 11 deletions(-)

diff --git a/drivers/staging/speakup/main.c b/drivers/staging/speakup/main.c
index a1d5b66..ca817ca 100644
--- a/drivers/staging/speakup/main.c
+++ b/drivers/staging/speakup/main.c
@@ -2317,7 +2317,6 @@ static int __init speakup_init(void)
 {
 	int i;
 	long err = 0;
-	struct st_spk_t *first_console;
 	struct vc_data *vc = vc_cons[fg_console].d;
 	struct var_t *var;
 
@@ -2342,15 +2341,6 @@ static int __init speakup_init(void)
 	if (err)
 		goto error_virtkeyboard;
 
-	first_console = kzalloc(sizeof(*first_console), GFP_KERNEL);
-	if (!first_console) {
-		err = -ENOMEM;
-		goto error_alloc;
-	}
-
-	speakup_console[vc->vc_num] = first_console;
-	speakup_date(vc);
-
 	for (i = 0; i < MAX_NR_CONSOLES; i++)
 		if (vc_cons[i].d) {
 			err = speakup_allocate(vc_cons[i].d);
@@ -2412,7 +2402,6 @@ static int __init speakup_init(void)
 	for (i = 0; i < MAX_NR_CONSOLES; i++)
 		kfree(speakup_console[i]);
 
-error_alloc:
 	speakup_remove_virtual_keyboard();
 
 error_virtkeyboard:
-- 
2.10.2