staging: r8188eu: Use zeroing allocator in wpa_set_encryption()

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>
Link: https://lore.kernel.org/r/20211012024624.GA1062447@embeddedor
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/drivers/staging/r8188eu/os_dep/ioctl_linux.c b/drivers/staging/r8188eu/os_dep/ioctl_linux.c
index 0201f6f..51f4669 100644 (file)
--- 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) {