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author | Jason A. Donenfeld <Jason@zx2c4.com> | 2018-08-01 15:59:37 +0200 |
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committer | Jason A. Donenfeld <Jason@zx2c4.com> | 2018-08-03 00:14:18 +0200 |
commit | 81eb0e30f9b39e99d1bb7b56828fd32e50ea055a (patch) | |
tree | 7b9e212d2a73644bae8b09da164147a4491d98fa /src/compat | |
parent | noise: free peer references on failure (diff) | |
download | wireguard-monolithic-historical-81eb0e30f9b39e99d1bb7b56828fd32e50ea055a.tar.xz wireguard-monolithic-historical-81eb0e30f9b39e99d1bb7b56828fd32e50ea055a.zip |
peer: ensure destruction doesn't race
Completely rework peer removal to ensure peers don't jump between
contexts and create races.
Diffstat (limited to '')
-rw-r--r-- | src/compat/compat.h | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/src/compat/compat.h b/src/compat/compat.h index 5b3075b..86df5f3 100644 --- a/src/compat/compat.h +++ b/src/compat/compat.h @@ -51,6 +51,9 @@ #ifndef READ_ONCE #define READ_ONCE ACCESS_ONCE #endif +#ifndef WRITE_ONCE +#define WRITE_ONCE(p, v) (ACCESS_ONCE(p) = (v)) +#endif #if LINUX_VERSION_CODE >= KERNEL_VERSION(3, 17, 0) #include "udp_tunnel/udp_tunnel_partial_compat.h" |