[Qemu-devel] [Patch 1/1] net/net: Allocating Large sized arrays to heap

From: Pooja Dhannawat <dhannawatpooja1@gmail.com>
To: qemu-devel@nongnu.org
Subject: [Qemu-devel] [Patch 1/1] net/net: Allocating Large sized arrays to heap
Date: Sat, 12 Mar 2016 14:09:33 +0530	[thread overview]
Message-ID: <1457771973-23208-1-git-send-email-dhannawatpooja1@gmail.com> (raw)

Signed-off-by: Pooja Dhannawat <dhannawatpooja1@gmail.com>
---
 net/net.c | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

diff --git a/net/net.c b/net/net.c
index b0c832e..5399758 100644
--- a/net/net.c
+++ b/net/net.c
@@ -709,16 +709,18 @@ ssize_t qemu_send_packet_raw(NetClientState *nc, const uint8_t *buf, int size)
 static ssize_t nc_sendv_compat(NetClientState *nc, const struct iovec *iov,
                                int iovcnt, unsigned flags)
 {
-    uint8_t buf[NET_BUFSIZE];
+    uint8_t *buf;
     uint8_t *buffer;
     size_t offset;
 
+    buf = g_new(uint8_t, 1);
+
     if (iovcnt == 1) {
         buffer = iov[0].iov_base;
         offset = iov[0].iov_len;
     } else {
         buffer = buf;
-        offset = iov_to_buf(iov, iovcnt, 0, buf, sizeof(buf));
+        offset = iov_to_buf(iov, iovcnt, 0, (uint8_t *)buf, sizeof(uint8_t));
     }
 
     if (flags & QEMU_NET_PACKET_FLAG_RAW && nc->info->receive_raw) {
@@ -726,6 +728,8 @@ static ssize_t nc_sendv_compat(NetClientState *nc, const struct iovec *iov,
     } else {
         return nc->info->receive(nc, buffer, offset);
     }
+
+    g_free(buf);
 }
 
 ssize_t qemu_deliver_packet_iov(NetClientState *sender,
-- 
2.5.0
