* [PATCH][next] staging: r8188eu: Use zeroing allocator in wpa_set_encryption()
@ 2021-10-12 2:46 Gustavo A. R. Silva
0 siblings, 0 replies; only message in thread
From: Gustavo A. R. Silva @ 2021-10-12 2:46 UTC (permalink / raw)
To: Larry Finger, Phillip Potter, Greg Kroah-Hartman
Cc: linux-staging, linux-kernel, Gustavo A. R. Silva
Use zeroing allocator rather than allocator followed by memset with 0.
This issue was detected with the help of Coccinelle.
Signed-off-by: Gustavo A. R. Silva <gustavoars@kernel.org>
---
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 e8fadbfcb3a9..8a125c869c27 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) {
--
2.27.0
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2021-10-12 2:46 [PATCH][next] staging: r8188eu: Use zeroing allocator in wpa_set_encryption() Gustavo A. R. Silva
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