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From: Wan Jiabing <wanjiabing@vivo.com>
To: Larry Finger <Larry.Finger@lwfinger.net>,
	Phillip Potter <phil@philpotter.co.uk>,
	Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
	Michael Straube <straube.linux@gmail.com>,
	Martin Kaiser <martin@kaiser.cx>,
	linux-staging@lists.linux.dev, linux-kernel@vger.kernel.org
Cc: kael_w@yeah.net, Wan Jiabing <wanjiabing@vivo.com>
Subject: [PATCH] staging: r8188eu: use kzalloc instead of kmalloc and memset
Date: Wed, 13 Oct 2021 03:01:28 -0400	[thread overview]
Message-ID: <20211013070149.349-1-wanjiabing@vivo.com> (raw)

Fix following coccicheck warning:
./drivers/staging/r8188eu/os_dep/ioctl_linux.c:422:10-17:
WARNING: kzalloc should be used for pwep, instead of kmalloc/memset

Signed-off-by: Wan Jiabing <wanjiabing@vivo.com>
---
 drivers/staging/r8188eu/os_dep/ioctl_linux.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/drivers/staging/r8188eu/os_dep/ioctl_linux.c b/drivers/staging/r8188eu/os_dep/ioctl_linux.c
index 0201f6fbeb25..51f46696a593 100644
--- a/drivers/staging/r8188eu/os_dep/ioctl_linux.c
+++ b/drivers/staging/r8188eu/os_dep/ioctl_linux.c
@@ -419,11 +419,10 @@ static int wpa_set_encryption(struct net_device *dev, struct ieee_param *param,
 		if (wep_key_len > 0) {
 			wep_key_len = wep_key_len <= 5 ? 5 : 13;
 			wep_total_len = wep_key_len + FIELD_OFFSET(struct ndis_802_11_wep, KeyMaterial);
-			pwep = kmalloc(wep_total_len, GFP_KERNEL);
+			pwep = kzalloc(wep_total_len, GFP_KERNEL);
 			if (!pwep)
 				goto exit;
 
-			memset(pwep, 0, wep_total_len);
 			pwep->KeyLength = wep_key_len;
 			pwep->Length = wep_total_len;
 			if (wep_key_len == 13) {
-- 
2.20.1


             reply	other threads:[~2021-10-13  7:02 UTC|newest]

Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-10-13  7:01 Wan Jiabing [this message]
2021-10-13  9:42 ` Dan Carpenter
2021-10-13 12:29 ` Greg Kroah-Hartman

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