[NET]: Convert RTNL to mutex.
This patch turns the RTNL from a semaphore to a new 2.6.16 mutex and
gets rid of some of the leftover legacy.
Signed-off-by: Stephen Hemminger <shemminger@osdl.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/net/ipv4/igmp.c b/net/ipv4/igmp.c
index 64ce52b..3ec502f1 100644
--- a/net/ipv4/igmp.c
+++ b/net/ipv4/igmp.c
@@ -1730,7 +1730,7 @@
if (!MULTICAST(addr))
return -EINVAL;
- rtnl_shlock();
+ rtnl_lock();
in_dev = ip_mc_find_dev(imr);
@@ -1763,7 +1763,7 @@
ip_mc_inc_group(in_dev, addr);
err = 0;
done:
- rtnl_shunlock();
+ rtnl_unlock();
return err;
}
@@ -1837,7 +1837,7 @@
if (!MULTICAST(addr))
return -EINVAL;
- rtnl_shlock();
+ rtnl_lock();
imr.imr_multiaddr.s_addr = mreqs->imr_multiaddr;
imr.imr_address.s_addr = mreqs->imr_interface;
@@ -1947,7 +1947,7 @@
ip_mc_add_src(in_dev, &mreqs->imr_multiaddr, omode, 1,
&mreqs->imr_sourceaddr, 1);
done:
- rtnl_shunlock();
+ rtnl_unlock();
if (leavegroup)
return ip_mc_leave_group(sk, &imr);
return err;
@@ -1970,7 +1970,7 @@
msf->imsf_fmode != MCAST_EXCLUDE)
return -EINVAL;
- rtnl_shlock();
+ rtnl_lock();
imr.imr_multiaddr.s_addr = msf->imsf_multiaddr;
imr.imr_address.s_addr = msf->imsf_interface;
@@ -2030,7 +2030,7 @@
pmc->sfmode = msf->imsf_fmode;
err = 0;
done:
- rtnl_shunlock();
+ rtnl_unlock();
if (leavegroup)
err = ip_mc_leave_group(sk, &imr);
return err;
@@ -2050,7 +2050,7 @@
if (!MULTICAST(addr))
return -EINVAL;
- rtnl_shlock();
+ rtnl_lock();
imr.imr_multiaddr.s_addr = msf->imsf_multiaddr;
imr.imr_address.s_addr = msf->imsf_interface;
@@ -2072,7 +2072,7 @@
goto done;
msf->imsf_fmode = pmc->sfmode;
psl = pmc->sflist;
- rtnl_shunlock();
+ rtnl_unlock();
if (!psl) {
len = 0;
count = 0;
@@ -2091,7 +2091,7 @@
return -EFAULT;
return 0;
done:
- rtnl_shunlock();
+ rtnl_unlock();
return err;
}
@@ -2112,7 +2112,7 @@
if (!MULTICAST(addr))
return -EINVAL;
- rtnl_shlock();
+ rtnl_lock();
err = -EADDRNOTAVAIL;
@@ -2125,7 +2125,7 @@
goto done;
gsf->gf_fmode = pmc->sfmode;
psl = pmc->sflist;
- rtnl_shunlock();
+ rtnl_unlock();
count = psl ? psl->sl_count : 0;
copycount = count < gsf->gf_numsrc ? count : gsf->gf_numsrc;
gsf->gf_numsrc = count;
@@ -2146,7 +2146,7 @@
}
return 0;
done:
- rtnl_shunlock();
+ rtnl_unlock();
return err;
}