pktgen: Fix memory leak in pktgen_if_write

_buf_ is an array and the one that must be freed is _tp_ instead.

Fixes: a870a02cc963 ("pktgen: use dynamic allocation for debug print buffer")
Reported-by: Wang Jian <jianjian.wang1@gmail.com>
Signed-off-by: Gustavo A. R. Silva <gustavo@embeddedor.com>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: David S. Miller <davem@davemloft.net>

diff --git a/net/core/pktgen.c b/net/core/pktgen.c
index fd65761e1fed2511c2460a256f4126dbbeb9acd5..545cf08cd558c559b7dec3aad1e84c44de3032d1 100644 (file)
--- a/net/core/pktgen.c
+++ b/net/core/pktgen.c
@@ -913,7 +913,7 @@ static ssize_t pktgen_if_write(struct file *file,
                        return PTR_ERR(tp);
 
                pr_debug("%s,%zu  buffer -:%s:-\n", name, count, tp);
-               kfree(buf);
+               kfree(tp);
        }
 
        if (!strcmp(name, "min_pkt_size")) {