From: Felix Schlepper <f3sch.git@outlook.com>
Date: Fri, 24 Jun 2022 13:54:53 +0000 (+0200)
Subject: Staging: rtl8192e: Use struct_size
X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=71eac0c07c7b26063bf5ee14a082e05421688552;p=linux.git

Staging: rtl8192e: Use struct_size

Using struct_size is encouraged because it is safer
than using sizeof and calculations by hand.

Signed-off-by: Felix Schlepper <f3sch.git@outlook.com>
Link: https://lore.kernel.org/r/54ea62a2b7628d3bdd5aa52df82c3e91704a2127.1656078068.git.f3sch.git@outlook.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---

diff --git a/drivers/staging/rtl8192e/rtllib_tx.c b/drivers/staging/rtl8192e/rtllib_tx.c
index 37715afb0210d..f2ef32e943ae8 100644
--- a/drivers/staging/rtl8192e/rtllib_tx.c
+++ b/drivers/staging/rtl8192e/rtllib_tx.c
@@ -205,8 +205,7 @@ static struct rtllib_txb *rtllib_alloc_txb(int nr_frags, int txb_size,
 	struct rtllib_txb *txb;
 	int i;
 
-	txb = kmalloc(sizeof(struct rtllib_txb) + (sizeof(u8 *) * nr_frags),
-		      gfp_mask);
+	txb = kmalloc(struct_size(txb, fragments, nr_frags), gfp_mask);
 	if (!txb)
 		return NULL;