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- Fix for DM core to properly propagate errors (avoids overriding

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non-zero error with 0).  This is particularly important given DM
   core's increased use of chained bios.
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Merge tag 'for-4.16/dm-chained-bios-fix' of git://git.kernel.org/pub/scm/linux/kernel/git/device-mapper/linux-dm

Pull device mapper fix from Mike Snitzer:
 "Fix for DM core to properly propagate errors (avoids overriding
  non-zero error with 0). This is particularly important given DM core's
  increased use of chained bios"

* tag 'for-4.16/dm-chained-bios-fix' of git://git.kernel.org/pub/scm/linux/kernel/git/device-mapper/linux-dm:
  dm: correctly handle chained bios in dec_pending()
This commit is contained in:
Linus Torvalds 2018-02-16 09:23:36 -08:00
commit c85b0b1434
1 changed files with 2 additions and 1 deletions
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3
drivers/md/dm.c
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@ -903,7 +903,8 @@ static void dec_pending(struct dm_io *io, blk_status_t error)
queue_io(md, bio);
} else {
/* done with normal IO or empty flush */
bio->bi_status = io_error;
if (io_error)
bio->bi_status = io_error;
bio_endio(bio);
}
}