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| author | David S. Miller <davem@davemloft.net> | 2012-02-04 16:39:32 -0500 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2012-02-04 16:39:32 -0500 |
| commit | dd48dc34fe7639a8b2e22d8b609672f5f81aa7cb (patch) | |
| tree | f16ace0ae09edab16bf6d0be9e8280dfbb7100da /net/core/netprio_cgroup.c | |
| parent | 8d9eb069eafce49307f839783e4a4673414b1fd5 (diff) | |
| parent | 5962b35c1de3254a2f03b95efd3b7854b874d7b7 (diff) | |
| download | op-kernel-dev-dd48dc34fe7639a8b2e22d8b609672f5f81aa7cb.zip op-kernel-dev-dd48dc34fe7639a8b2e22d8b609672f5f81aa7cb.tar.gz | |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
Diffstat (limited to 'net/core/netprio_cgroup.c')
| -rw-r--r-- | net/core/netprio_cgroup.c | 7 |
1 files changed, 4 insertions, 3 deletions
diff --git a/net/core/netprio_cgroup.c b/net/core/netprio_cgroup.c index 3a9fd48..9ae183a 100644 --- a/net/core/netprio_cgroup.c +++ b/net/core/netprio_cgroup.c @@ -58,11 +58,12 @@ static int get_prioidx(u32 *prio) spin_lock_irqsave(&prioidx_map_lock, flags); prioidx = find_first_zero_bit(prioidx_map, sizeof(unsigned long) * PRIOIDX_SZ); + if (prioidx == sizeof(unsigned long) * PRIOIDX_SZ) { + spin_unlock_irqrestore(&prioidx_map_lock, flags); + return -ENOSPC; + } set_bit(prioidx, prioidx_map); spin_unlock_irqrestore(&prioidx_map_lock, flags); - if (prioidx == sizeof(unsigned long) * PRIOIDX_SZ) - return -ENOSPC; - atomic_set(&max_prioidx, prioidx); *prio = prioidx; return 0; |
