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| author | Trond Myklebust <trond.myklebust@hammerspace.com> | 2021-01-22 00:34:37 +0300 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2021-02-04 01:28:47 +0300 |
| commit | dba0d4b1508bdd981dca1cc5611e172c527787ba (patch) | |
| tree | f82f4a98be2787028ff745fcf6fecfa0fd35c099 /fs/nfs | |
| parent | ae02c0008c2794bc00b1adc3954249c27df3bf09 (diff) | |
| download | linux-dba0d4b1508bdd981dca1cc5611e172c527787ba.tar.xz | |
pNFS/NFSv4: Fix a layout segment leak in pnfs_layout_process()
[ Upstream commit 814b84971388cd5fb182f2e914265b3827758455 ]
If the server returns a new stateid that does not match the one in our
cache, then pnfs_layout_process() will leak the layout segments returned
by pnfs_mark_layout_stateid_invalid().
Fixes: 9888d837f3cf ("pNFS: Force a retry of LAYOUTGET if the stateid doesn't match our cache")
Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
Diffstat (limited to 'fs/nfs')
| -rw-r--r-- | fs/nfs/pnfs.c | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/fs/nfs/pnfs.c b/fs/nfs/pnfs.c index 471bfa273dad..426877f72441 100644 --- a/fs/nfs/pnfs.c +++ b/fs/nfs/pnfs.c @@ -2418,6 +2418,7 @@ out_forget: spin_unlock(&ino->i_lock); lseg->pls_layout = lo; NFS_SERVER(ino)->pnfs_curr_ld->free_lseg(lseg); + pnfs_free_lseg_list(&free_me); return ERR_PTR(-EAGAIN); } |