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| author | Trond Myklebust <trond.myklebust@primarydata.com> | 2016-08-27 23:44:04 -0400 |
|---|---|---|
| committer | Trond Myklebust <trond.myklebust@primarydata.com> | 2016-08-28 14:23:22 -0400 |
| commit | e09c978aae5bedfdb379be80363b024b7d82638b (patch) | |
| tree | d218fe2842cef66c0d33648f1f12163a61f70a62 /fs/nfs/nfs4session.h | |
| parent | 16590a228109e2f318d2cc6466221134cfab723a (diff) | |
| download | linux-e09c978aae5bedfdb379be80363b024b7d82638b.tar.gz linux-e09c978aae5bedfdb379be80363b024b7d82638b.tar.bz2 linux-e09c978aae5bedfdb379be80363b024b7d82638b.zip | |
NFSv4.1: Fix Oopsable condition in server callback races
The slot table hasn't been an array since v3.7. Ensure that we
use nfs4_lookup_slot() to access the slot correctly.
Fixes: 87dda67e7386 ("NFSv4.1: Allow SEQUENCE to resize the slot table...")
Signed-off-by: Trond Myklebust <trond.myklebust@primarydata.com>
Cc: stable@vger.kernel.org # v3.8+
Diffstat (limited to 'fs/nfs/nfs4session.h')
| -rw-r--r-- | fs/nfs/nfs4session.h | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/fs/nfs/nfs4session.h b/fs/nfs/nfs4session.h index 5b51298d1d03..33cace62b50b 100644 --- a/fs/nfs/nfs4session.h +++ b/fs/nfs/nfs4session.h @@ -78,6 +78,7 @@ extern int nfs4_setup_slot_table(struct nfs4_slot_table *tbl, extern void nfs4_shutdown_slot_table(struct nfs4_slot_table *tbl); extern struct nfs4_slot *nfs4_alloc_slot(struct nfs4_slot_table *tbl); extern struct nfs4_slot *nfs4_lookup_slot(struct nfs4_slot_table *tbl, u32 slotid); +extern bool nfs4_slot_seqid_in_use(struct nfs4_slot_table *tbl, u32 slotid, u32 seq_nr); extern bool nfs4_try_to_lock_slot(struct nfs4_slot_table *tbl, struct nfs4_slot *slot); extern void nfs4_free_slot(struct nfs4_slot_table *tbl, struct nfs4_slot *slot); extern void nfs4_slot_tbl_drain_complete(struct nfs4_slot_table *tbl); |