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| author | Mikulas Patocka <mpatocka@redhat.com> | 2015-07-02 00:30:36 +0300 |
|---|---|---|
| committer | Mike Snitzer <snitzer@redhat.com> | 2015-08-12 18:32:20 +0300 |
| commit | ab37844d6169c2dd6f96e665b07b692ba1a4c180 (patch) | |
| tree | c66fb0d74d2bd9237a265a011d4ab738b9023f8e | |
| parent | 4fb9aa5abdb791defedb3a5ce254ad193e82d77b (diff) | |
| download | linux-ab37844d6169c2dd6f96e665b07b692ba1a4c180.tar.xz | |
dm: test return value for DM_MAPIO_SUBMITTED
In properly written code we should not assume that DM_MAPIO_SUBMITTED is
zero. We should test the return value for DM_MAPIO_SUBMITTED rather than
testing it for zero.
Signed-off-by: Mikulas Patocka <mpatocka@redhat.com>
Signed-off-by: Mike Snitzer <snitzer@redhat.com>
| -rw-r--r-- | drivers/md/dm.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/md/dm.c b/drivers/md/dm.c index 0d7ab20c58df..0907d9eb864e 100644 --- a/drivers/md/dm.c +++ b/drivers/md/dm.c @@ -1466,7 +1466,7 @@ static void __map_bio(struct dm_target_io *tio) md = tio->io->md; dec_pending(tio->io, r); free_tio(md, tio); - } else if (r) { + } else if (r != DM_MAPIO_SUBMITTED) { DMWARN("unimplemented target map return value: %d", r); BUG(); } |