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| author | Linus Torvalds <torvalds@woody.linux-foundation.org> | 2007-10-19 20:54:39 +0200 |
|---|---|---|
| committer | Linus Torvalds <torvalds@woody.linux-foundation.org> | 2007-10-19 20:54:39 +0200 |
| commit | 804b908adfcffe3831621acb6c8a776585983d2a (patch) | |
| tree | 9664d4395ae8e590e50c568225ea88435383ed99 /net/ipv4/udp.c | |
| parent | NULL terminate the pci_device_ids in pasemi_edac (diff) | |
| parent | [NET]: Fix possible dev_deactivate race condition (diff) | |
| download | linux-804b908adfcffe3831621acb6c8a776585983d2a.tar.xz linux-804b908adfcffe3831621acb6c8a776585983d2a.zip | |
Merge branch 'master' of master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6
* 'master' of master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6:
[NET]: Fix possible dev_deactivate race condition
[INET]: Justification for local port range robustness.
[PACKET]: Kill unused pg_vec_endpage() function
[NET]: QoS/Sched as menuconfig
[NET]: Fix bug in sk_filter race cures.
[PATCH] mac80211: make ieee802_11_parse_elems return void
Diffstat (limited to 'net/ipv4/udp.c')
| -rw-r--r-- | net/ipv4/udp.c | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/net/ipv4/udp.c b/net/ipv4/udp.c index cb9fc58efb2f..35d2b0e9e10b 100644 --- a/net/ipv4/udp.c +++ b/net/ipv4/udp.c @@ -147,13 +147,14 @@ int __udp_lib_get_port(struct sock *sk, unsigned short snum, write_lock_bh(&udp_hash_lock); if (!snum) { - int i, low, high; + int i, low, high, remaining; unsigned rover, best, best_size_so_far; inet_get_local_port_range(&low, &high); + remaining = (high - low) + 1; best_size_so_far = UINT_MAX; - best = rover = net_random() % (high - low) + low; + best = rover = net_random() % remaining + low; /* 1st pass: look for empty (or shortest) hash chain */ for (i = 0; i < UDP_HTABLE_SIZE; i++) { |