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| author | Boaz Harrosh <bharrosh@panasas.com> | 2011-12-27 19:23:36 +0200 |
|---|---|---|
| committer | Boaz Harrosh <bharrosh@panasas.com> | 2012-01-06 16:49:06 +0200 |
| commit | ffefb8eaa367e8a5c14f779233d9da1fbc23d164 (patch) | |
| tree | 6be1540656853d64a762625386d515b12e363dd4 /fs/exofs | |
| parent | 831c2dc5f47c1dc79c32229d75065ada1dcc66e1 (diff) | |
| download | linux-stable-ffefb8eaa367e8a5c14f779233d9da1fbc23d164.tar.gz linux-stable-ffefb8eaa367e8a5c14f779233d9da1fbc23d164.tar.bz2 linux-stable-ffefb8eaa367e8a5c14f779233d9da1fbc23d164.zip | |
ore: Fix crash in case of an IO error.
The users of ore_check_io() expect the reported device
(In case of error) to be indexed relative to the passed-in
ore_components table, and not the logical dev index.
This causes a crash inside objlayoutdriver in case of
an IO error.
[Bug in 3.2.0 Kernel]
CC: Stable Tree <stable@kernel.org>
Signed-off-by: Boaz Harrosh <bharrosh@panasas.com>
Diffstat (limited to 'fs/exofs')
| -rw-r--r-- | fs/exofs/ore.c | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/fs/exofs/ore.c b/fs/exofs/ore.c index d271ad837202..894f3e192e6b 100644 --- a/fs/exofs/ore.c +++ b/fs/exofs/ore.c @@ -445,10 +445,10 @@ int ore_check_io(struct ore_io_state *ios, ore_on_dev_error on_dev_error) u64 residual = ios->reading ? or->in.residual : or->out.residual; u64 offset = (ios->offset + ios->length) - residual; - struct ore_dev *od = ios->oc->ods[ - per_dev->dev - ios->oc->first_dev]; + unsigned dev = per_dev->dev - ios->oc->first_dev; + struct ore_dev *od = ios->oc->ods[dev]; - on_dev_error(ios, od, per_dev->dev, osi.osd_err_pri, + on_dev_error(ios, od, dev, osi.osd_err_pri, offset, residual); } if (osi.osd_err_pri >= acumulated_osd_err) { |