fixed realloc logic (Ed Swierk)

git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@1879 c046a42c-6fe2-441c-8c8c-71466251a162

diff --git a/slirp/mbuf.c b/slirp/mbuf.c
index fa36d89..3769baf 100644 (file)
--- a/slirp/mbuf.c
+++ b/slirp/mbuf.c
@@ -146,18 +146,19 @@ m_inc(m, size)
         struct mbuf *m;
         int size;
 {
+       int datasize;
+
        /* some compiles throw up on gotos.  This one we can fake. */
         if(m->m_size>size) return;
 
         if (m->m_flags & M_EXT) {
-         /* datasize = m->m_data - m->m_ext; */
+         datasize = m->m_data - m->m_ext;
          m->m_ext = (char *)realloc(m->m_ext,size);
 /*             if (m->m_ext == NULL)
  *                     return (struct mbuf *)NULL;
  */            
-         /* m->m_data = m->m_ext + datasize; */
+         m->m_data = m->m_ext + datasize;
         } else {
-         int datasize;
          char *dat;
          datasize = m->m_data - m->m_dat;
          dat = (char *)malloc(size);