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| author | Boaz Harrosh <bharrosh@panasas.com> | 2014-01-13 19:10:40 +0200 |
|---|---|---|
| committer | Boaz Harrosh <bharrosh@panasas.com> | 2014-01-23 18:36:22 +0200 |
| commit | 2deb76db092a91088494c00862bafc4fe7980adb (patch) | |
| tree | cef48ceee9a2dd07d4939f442d9d4e3a16c3fa33 /fs/exofs | |
| parent | aad560b7f63b495f48a7232fd086c5913a676e6f (diff) | |
| download | linux-stable-2deb76db092a91088494c00862bafc4fe7980adb.tar.gz linux-stable-2deb76db092a91088494c00862bafc4fe7980adb.tar.bz2 linux-stable-2deb76db092a91088494c00862bafc4fe7980adb.zip | |
ore: Don't crash on NULL bio in _clear_bio
In the case of target returning OSD_ERR_PRI_CLEAR_PAGES when we
only sent for attributes don't crash on NULL bio.
This is an osd-target bug but don't crash regardless
Signed-off-by: Boaz Harrosh <bharrosh@panasas.com>
Diffstat (limited to 'fs/exofs')
| -rw-r--r-- | fs/exofs/ore.c | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/fs/exofs/ore.c b/fs/exofs/ore.c index 85cde3e76290..dae884694bd9 100644 --- a/fs/exofs/ore.c +++ b/fs/exofs/ore.c @@ -431,8 +431,12 @@ int ore_check_io(struct ore_io_state *ios, ore_on_dev_error on_dev_error) if (likely(!ret)) continue; - if (OSD_ERR_PRI_CLEAR_PAGES == osi.osd_err_pri) { - /* start read offset passed endof file */ + if ((OSD_ERR_PRI_CLEAR_PAGES == osi.osd_err_pri) && + per_dev->bio) { + /* start read offset passed endof file. + * Note: if we do not have bio it means read-attributes + * In this case we should return error to caller. + */ _clear_bio(per_dev->bio); ORE_DBGMSG("start read offset passed end of file " "offset=0x%llx, length=0x%llx\n", |