s390/bpf,jit: use kcalloc instead of kmalloc and memset

Signed-off-by: NStelian Nirlu <steliannirlu@gmail.com>
Signed-off-by: NHeiko Carstens <heiko.carstens@de.ibm.com>
Signed-off-by: NMartin Schwidefsky <schwidefsky@de.ibm.com>

arch/s390/net/bpf_jit_comp.c

@@ -747,10 +747,9 @@ void bpf_jit_compile(struct sk_filter *fp)
 
 	if (!bpf_jit_enable)
 		return;
-	addrs = kmalloc(fp->len * sizeof(*addrs), GFP_KERNEL);
+	addrs = kcalloc(fp->len, sizeof(*addrs), GFP_KERNEL);
 	if (addrs == NULL)
 		return;
-	memset(addrs, 0, fp->len * sizeof(*addrs));
 	memset(&jit, 0, sizeof(cjit));
 	memset(&cjit, 0, sizeof(cjit));