packet: use vzalloc()

alloc_one_pg_vec_page() is supposed to return zeroed memory, so use
vzalloc() instead of vmalloc()

Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com>
Cc: Neil Horman <nhorman@tuxdriver.com>
Acked-by: Neil Horman <nhorman@tuxdriver.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

diff --git a/net/packet/af_packet.c b/net/packet/af_packet.c
index b6372dd128d76cb70a189bc27f61c79208c78aad..422705d62b5baa0e0796300a6ab2adc51e7d6e8c 100644 (file)
--- a/net/packet/af_packet.c
+++ b/net/packet/af_packet.c
@@ -2367,7 +2367,7 @@ static inline char *alloc_one_pg_vec_page(unsigned long order,
         * __get_free_pages failed, fall back to vmalloc
         */
        *flags |= PGV_FROM_VMALLOC;
-       buffer = vmalloc((1 << order) * PAGE_SIZE);
+       buffer = vzalloc((1 << order) * PAGE_SIZE);
 
        if (buffer)
                return buffer;