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Mikulas Patocka 072623de1f dm: fix dm_target_io leak if clone_bio() returns an error ...

Commit c80914e81e ("dm: return error if bio_integrity_clone() fails
in clone_bio()") changed clone_bio() such that if it does return error
then the alloc_tio() created resources (both the bio that was allocated
to be a clone and the containing dm_target_io struct) will leak.

Fix this by calling free_tio() in __clone_and_map_data_bio()'s
clone_bio() error path.

Fixes: c80914e81e ("dm: return error if bio_integrity_clone() fails in clone_bio()")
Signed-off-by: Mikulas Patocka <mpatocka@redhat.com>
Signed-off-by: Mike Snitzer <snitzer@redhat.com>

2016-04-11 11:49:09 -04:00

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