From bf5c43c8f155e755b0fc3dfa76f9f8c6e2c0161f Mon Sep 17 00:00:00 2001 From: "J. Bruce Fields" Date: Mon, 13 Feb 2012 16:56:19 -0500 Subject: nfsd4: check for uninitialized slot This fixes an oops when a buggy client tries to use an initial seqid of 0 on a new slot, which we may misinterpret as a replay. Signed-off-by: J. Bruce Fields --- fs/nfsd/state.h | 1 + 1 file changed, 1 insertion(+) (limited to 'fs/nfsd/state.h') diff --git a/fs/nfsd/state.h b/fs/nfsd/state.h index 122217fe9155..d8f52a0f4988 100644 --- a/fs/nfsd/state.h +++ b/fs/nfsd/state.h @@ -134,6 +134,7 @@ struct nfsd4_slot { u16 sl_opcnt; #define NFSD4_SLOT_INUSE (1 << 0) #define NFSD4_SLOT_CACHETHIS (1 << 1) +#define NFSD4_SLOT_INITIALIZED (1 << 2) u8 sl_flags; char sl_data[]; }; -- cgit