dm space map metadata: remove unused variable in brb_pop()
commit 51216778 upstream. Remove the unused struct block_op pointer that was inadvertantly introduced, via cut-and-paste of previous brb_op() code, as part of commit 50dd842a. (Cc'ing stable@ because commit 50dd842a did) Fixes: 50dd842a ("dm space map metadata: fix ref counting bug when bootstrapping a new space map") Reported-by: David Binderman <dcb314@hotmail.com> Signed-off-by: Mike Snitzer <snitzer@redhat.com> Signed-off-by: Jiri Slaby <jslaby@suse.cz>
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