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(parent: d9aba2b) | patch
pnfs/flexfiles: Fix PTR_ERR() dereferences in ff_layout_track_ds_error
authorTrond Myklebust <trond.myklebust@hammerspace.com>
Wed, 17 Jul 2019 17:57:44 +0000 (13:57 -0400)
committerTrond Myklebust <trond.myklebust@hammerspace.com>
Thu, 18 Jul 2019 18:43:52 +0000 (14:43 -0400)
commit8e04fdfadda75a849c649f7e50fe7d97772e1fcb
tree83b3e8539189ad81a5f756e94ae7e3f2dbc8c76atree | snapshot
parentd9aba2b40de6fddd83f2fe3a5ac2bcd2c98fa66bcommit | diff
pnfs/flexfiles: Fix PTR_ERR() dereferences in ff_layout_track_ds_error

mirror->mirror_ds can be NULL if uninitialised, but can contain
a PTR_ERR() if call to GETDEVICEINFO failed.

Fixes: 65990d1afbd2 ("pNFS/flexfiles: Fix a deadlock on LAYOUTGET")
Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com>
Cc: stable@vger.kernel.org # 4.10+
fs/nfs/flexfilelayout/flexfilelayoutdev.c diff | blob | history
kernel
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