add some missing returns, correct args to ipcaccess, general cleanup

[unix-history] / usr / src / sys / kern / uipc_mbuf.c

diff --git a/usr/src/sys/kern/uipc_mbuf.c b/usr/src/sys/kern/uipc_mbuf.c
index 2fdfacc..c4ea35b 100644 (file)
--- a/usr/src/sys/kern/uipc_mbuf.c
+++ b/usr/src/sys/kern/uipc_mbuf.c
@@ -13,7 +13,7 @@
  * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
  * WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE.
  *
  * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
  * WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE.
  *

- *     @(#)uipc_mbuf.c 7.14 (Berkeley) %G%
+ *     @(#)uipc_mbuf.c 7.15 (Berkeley) %G%

  */
 
 #include "param.h"
  */
 
 #include "param.h"


@@ -234,6 +234,8 @@ m_prepend(m, len, how)
  * continuing for "len" bytes.  If len is M_COPYALL, copy to end of mbuf.
  * The wait parameter is a choice of M_WAIT/M_DONTWAIT from caller.
  */
  * continuing for "len" bytes.  If len is M_COPYALL, copy to end of mbuf.
  * The wait parameter is a choice of M_WAIT/M_DONTWAIT from caller.
  */

+int MCFail;
+

 struct mbuf *
 m_copym(m, off0, len, wait)
        register struct mbuf *m;
 struct mbuf *
 m_copym(m, off0, len, wait)
        register struct mbuf *m;


@@ -292,9 +294,12 @@ m_copym(m, off0, len, wait)
                m = m->m_next;
                np = &n->m_next;
        }
                m = m->m_next;
                np = &n->m_next;
        }

+       if (top == 0)
+               MCFail++;

        return (top);
 nospace:
        m_freem(top);
        return (top);
 nospace:
        m_freem(top);

+       MCFail++;

        return (0);
 }
 
        return (0);
 }
 


@@ -437,6 +442,8 @@ m_adj(mp, req_len)
  * If there is room, it will add up to max_protohdr-len extra bytes to the
  * contiguous region in an attempt to avoid being called next time.
  */
  * If there is room, it will add up to max_protohdr-len extra bytes to the
  * contiguous region in an attempt to avoid being called next time.
  */

+int MPFail;
+

 struct mbuf *
 m_pullup(n, len)
        register struct mbuf *n;
 struct mbuf *
 m_pullup(n, len)
        register struct mbuf *n;


@@ -490,5 +497,6 @@ m_pullup(n, len)
        return (m);
 bad:
        m_freem(n);
        return (m);
 bad:
        m_freem(n);

+       MPFail++;

        return (0);
 }
        return (0);
 }