linux-kernel - [PATCH v4 2/3] Staging: rtl8192e: Using kzalloc and delete memset

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Message-ID: <AM9P190MB1299B9A4EE0EF0E3A4C1B1E0A5B59@AM9P190MB1299.EURP190.PROD.OUTLOOK.COM>
Date:   Thu, 23 Jun 2022 12:05:56 +0200
From:   Felix Schlepper <f3sch.git@...look.com>
To:     gregkh@...uxfoundation.org
Cc:     linux-staging@...ts.linux.dev, linux-kernel@...r.kernel.org,
        Felix Schlepper <f3sch.git@...look.com>
Subject: [PATCH v4 2/3] Staging: rtl8192e: Using kzalloc and delete memset

By using kzalloc, we can delete a memset.  The practical difference
is that using kzalloc() will zero out the txb->fragments[] array.
The original code worked fine, but zeroing everything seems nicer.

Signed-off-by: Felix Schlepper <f3sch.git@...look.com>
---
 drivers/staging/rtl8192e/rtllib_tx.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/drivers/staging/rtl8192e/rtllib_tx.c b/drivers/staging/rtl8192e/rtllib_tx.c
index f2ef32e943ae..1307cf55741a 100644
--- a/drivers/staging/rtl8192e/rtllib_tx.c
+++ b/drivers/staging/rtl8192e/rtllib_tx.c
@@ -205,11 +205,10 @@ static struct rtllib_txb *rtllib_alloc_txb(int nr_frags, int txb_size,
 	struct rtllib_txb *txb;
 	int i;
 
-	txb = kmalloc(struct_size(txb, fragments, nr_frags), gfp_mask);
+	txb = kzalloc(struct_size(txb, fragments, nr_frags), gfp_mask);
 	if (!txb)
 		return NULL;
 
-	memset(txb, 0, sizeof(struct rtllib_txb));
 	txb->nr_frags = nr_frags;
 	txb->frag_size = cpu_to_le16(txb_size);
 
-- 
2.36.1