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| author | Dave Airlie <airlied@redhat.com> | 2014-06-05 20:28:59 +1000 |
|---|---|---|
| committer | Dave Airlie <airlied@redhat.com> | 2014-06-05 20:28:59 +1000 |
| commit | 8d4ad9d4bb0a618c975a32d77087694ec6336f68 (patch) | |
| tree | d18d12688174a623e3503b11118e44ef8186c90b /net/ipv6/output_core.c | |
| parent | 5ea1f752ae04be403a3dc8ec876a60d7f5f6990a (diff) | |
| parent | 9e9a928eed8796a0a1aaed7e0b676db86ba84594 (diff) | |
| download | linux-8d4ad9d4bb0a618c975a32d77087694ec6336f68.tar.gz linux-8d4ad9d4bb0a618c975a32d77087694ec6336f68.tar.bz2 linux-8d4ad9d4bb0a618c975a32d77087694ec6336f68.zip | |
Merge commit '9e9a928eed8796a0a1aaed7e0b676db86ba84594' into drm-next
Merge drm-fixes into drm-next.
Both i915 and radeon need this done for later patches.
Conflicts:
drivers/gpu/drm/drm_crtc_helper.c
drivers/gpu/drm/i915/i915_drv.h
drivers/gpu/drm/i915/i915_gem.c
drivers/gpu/drm/i915/i915_gem_execbuffer.c
drivers/gpu/drm/i915/i915_gem_gtt.c
Diffstat (limited to 'net/ipv6/output_core.c')
| -rw-r--r-- | net/ipv6/output_core.c | 11 |
1 files changed, 3 insertions, 8 deletions
diff --git a/net/ipv6/output_core.c b/net/ipv6/output_core.c index 6313abd53c9d..56596ce390a1 100644 --- a/net/ipv6/output_core.c +++ b/net/ipv6/output_core.c @@ -12,7 +12,7 @@ void ipv6_select_ident(struct frag_hdr *fhdr, struct rt6_info *rt) { static atomic_t ipv6_fragmentation_id; struct in6_addr addr; - int old, new; + int ident; #if IS_ENABLED(CONFIG_IPV6) struct inet_peer *peer; @@ -26,15 +26,10 @@ void ipv6_select_ident(struct frag_hdr *fhdr, struct rt6_info *rt) return; } #endif - do { - old = atomic_read(&ipv6_fragmentation_id); - new = old + 1; - if (!new) - new = 1; - } while (atomic_cmpxchg(&ipv6_fragmentation_id, old, new) != old); + ident = atomic_inc_return(&ipv6_fragmentation_id); addr = rt->rt6i_dst.addr; - addr.s6_addr32[0] ^= (__force __be32)new; + addr.s6_addr32[0] ^= (__force __be32)ident; fhdr->identification = htonl(secure_ipv6_id(addr.s6_addr32)); } EXPORT_SYMBOL(ipv6_select_ident); |