xiaomi-sm8450/android_kernel_xiaomi_sm8450
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

Merge branch 'master' of master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6

Browse Source 
Conflicts:
	include/linux/if_link.h
This commit is contained in:
David S. Miller
2010-05-16 22:26:58 -07:00
parent c4949f0743 c02db8c629
commit 6811d58fc1
6 changed files with 166 additions and 82 deletions
Download Patch File Download Diff File Expand all files Collapse all files

34
net/ipv4/tcp.c
View File

@@ -2840,7 +2840,6 @@ static void __tcp_free_md5sig_pool(struct tcp_md5sig_pool * __percpu *pool)
if (p->md5_desc.tfm)
crypto_free_hash(p->md5_desc.tfm);
kfree(p);
p = NULL;
}
}
free_percpu(pool);
@@ -2938,25 +2937,40 @@ retry:
EXPORT_SYMBOL(tcp_alloc_md5sig_pool);
struct tcp_md5sig_pool *__tcp_get_md5sig_pool(int cpu)
/**
* tcp_get_md5sig_pool - get md5sig_pool for this user
*
* We use percpu structure, so if we succeed, we exit with preemption
* and BH disabled, to make sure another thread or softirq handling
* wont try to get same context.
*/
struct tcp_md5sig_pool *tcp_get_md5sig_pool(void)
{
struct tcp_md5sig_pool * __percpu *p;
spin_lock_bh(&tcp_md5sig_pool_lock);
local_bh_disable();
spin_lock(&tcp_md5sig_pool_lock);
p = tcp_md5sig_pool;
if (p)
tcp_md5sig_users++;
spin_unlock_bh(&tcp_md5sig_pool_lock);
return (p ? *per_cpu_ptr(p, cpu) : NULL);
spin_unlock(&tcp_md5sig_pool_lock);
if (p)
return *per_cpu_ptr(p, smp_processor_id());
local_bh_enable();
return NULL;
}
EXPORT_SYMBOL(tcp_get_md5sig_pool);
EXPORT_SYMBOL(__tcp_get_md5sig_pool);
void __tcp_put_md5sig_pool(void)
void tcp_put_md5sig_pool(void)
{
local_bh_enable();
tcp_free_md5sig_pool();
}
EXPORT_SYMBOL(__tcp_put_md5sig_pool);
EXPORT_SYMBOL(tcp_put_md5sig_pool);
int tcp_md5_hash_header(struct tcp_md5sig_pool *hp,
struct tcphdr *th)