diff options
| author | Arjan van de Ven <arjan@infradead.org> | 2006-03-20 22:33:17 -0800 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2006-03-20 22:33:17 -0800 |
| commit | 4a3e2f711a00a1feb72ae12fdc749da10179d185 (patch) | |
| tree | 76ced9d3270dea4b864da71fa1d4415d2e3c8b11 /net/ipv4/ipcomp.c | |
| parent | d4ccd08cdfa8d34f4d25b62041343c52fc79385f (diff) | |
| download | lwn-4a3e2f711a00a1feb72ae12fdc749da10179d185.tar.gz lwn-4a3e2f711a00a1feb72ae12fdc749da10179d185.zip | |
[NET] sem2mutex: net/
Semaphore to mutex conversion.
The conversion was generated via scripts, and the result was validated
automatically via a script as well.
Signed-off-by: Arjan van de Ven <arjan@infradead.org>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/ipv4/ipcomp.c')
| -rw-r--r-- | net/ipv4/ipcomp.c | 17 |
1 files changed, 9 insertions, 8 deletions
diff --git a/net/ipv4/ipcomp.c b/net/ipv4/ipcomp.c index d64e2ec8da7b..c95020f7c81e 100644 --- a/net/ipv4/ipcomp.c +++ b/net/ipv4/ipcomp.c @@ -24,6 +24,7 @@ #include <linux/list.h> #include <linux/vmalloc.h> #include <linux/rtnetlink.h> +#include <linux/mutex.h> #include <net/ip.h> #include <net/xfrm.h> #include <net/icmp.h> @@ -36,7 +37,7 @@ struct ipcomp_tfms { int users; }; -static DECLARE_MUTEX(ipcomp_resource_sem); +static DEFINE_MUTEX(ipcomp_resource_mutex); static void **ipcomp_scratches; static int ipcomp_scratch_users; static LIST_HEAD(ipcomp_tfms_list); @@ -253,7 +254,7 @@ error: } /* - * Must be protected by xfrm_cfg_sem. State and tunnel user references are + * Must be protected by xfrm_cfg_mutex. State and tunnel user references are * always incremented on success. */ static int ipcomp_tunnel_attach(struct xfrm_state *x) @@ -411,9 +412,9 @@ static void ipcomp_destroy(struct xfrm_state *x) if (!ipcd) return; xfrm_state_delete_tunnel(x); - down(&ipcomp_resource_sem); + mutex_lock(&ipcomp_resource_mutex); ipcomp_free_data(ipcd); - up(&ipcomp_resource_sem); + mutex_unlock(&ipcomp_resource_mutex); kfree(ipcd); } @@ -440,14 +441,14 @@ static int ipcomp_init_state(struct xfrm_state *x) if (x->props.mode) x->props.header_len += sizeof(struct iphdr); - down(&ipcomp_resource_sem); + mutex_lock(&ipcomp_resource_mutex); if (!ipcomp_alloc_scratches()) goto error; ipcd->tfms = ipcomp_alloc_tfms(x->calg->alg_name); if (!ipcd->tfms) goto error; - up(&ipcomp_resource_sem); + mutex_unlock(&ipcomp_resource_mutex); if (x->props.mode) { err = ipcomp_tunnel_attach(x); @@ -464,10 +465,10 @@ out: return err; error_tunnel: - down(&ipcomp_resource_sem); + mutex_lock(&ipcomp_resource_mutex); error: ipcomp_free_data(ipcd); - up(&ipcomp_resource_sem); + mutex_unlock(&ipcomp_resource_mutex); kfree(ipcd); goto out; } |