pktgen: Remove VLA usage

In preparation to enabling -Wvla, remove VLA usage and replace it
with a fixed-length array instead.

Signed-off-by: Gustavo A. R. Silva <gustavo@embeddedor.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

diff --git a/net/core/pktgen.c b/net/core/pktgen.c
index d81bddd..e2d6ae3 100644 (file)
--- a/net/core/pktgen.c
+++ b/net/core/pktgen.c
@@ -907,7 +907,7 @@ static ssize_t pktgen_if_write(struct file *file,
 
        if (debug) {
                size_t copy = min_t(size_t, count, 1023);
-               char tb[copy + 1];
+               char tb[1024];
                if (copy_from_user(tb, user_buffer, copy))
                        return -EFAULT;
                tb[copy] = 0;