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dm bufio: return NULL to improve code clarity 

A small code cleanup in new_read() - return NULL instead of b (although
b is NULL at this point).  This function is not returning pointer to the
buffer, it is returning a pointer to the bufffer's data, thus it makes
no sense to return the variable b.

Signed-off-by: Mikulas Patocka <mpatocka@redhat.com>
Signed-off-by: Mike Snitzer <snitzer@redhat.com>
hifive-unleashed-5.1
Mikulas Patocka 2015-11-23 19:11:32 -05:00 committed by Mike Snitzer
parent 313c9b9736
commit f98c8f7970
1 changed files with 1 additions and 1 deletions
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2
drivers/md/dm-bufio.c
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@ -1068,7 +1068,7 @@ static void *new_read(struct dm_bufio_client *c, sector_t block,
__flush_write_list(&write_list);
if (!b)
return b;
return NULL;
if (need_submit)
submit_io(b, READ, b->block, read_endio);