'int ret' is defined as a local variable inside macro read_bucket(). Since this macro is called multiple times, and following patches will use a 'int ret' variable in bch_journal_read(), this patch moves definition of 'int ret' from macro read_bucket() to range of function bch_journal_read().
Signed-off-by: Coly Li <[email protected]> Reviewed-by: Hannes Reinecke <[email protected]> --- drivers/md/bcache/journal.c | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-) diff --git a/drivers/md/bcache/journal.c b/drivers/md/bcache/journal.c index b2fd412715b1..6e18057d1d82 100644 --- a/drivers/md/bcache/journal.c +++ b/drivers/md/bcache/journal.c @@ -147,7 +147,7 @@ int bch_journal_read(struct cache_set *c, struct list_head *list) { #define read_bucket(b) \ ({ \ - int ret = journal_read_bucket(ca, list, b); \ + ret = journal_read_bucket(ca, list, b); \ __set_bit(b, bitmap); \ if (ret < 0) \ return ret; \ @@ -156,6 +156,7 @@ int bch_journal_read(struct cache_set *c, struct list_head *list) struct cache *ca; unsigned int iter; + int ret = 0; for_each_cache(ca, c, iter) { struct journal_device *ja = &ca->journal; @@ -267,7 +268,7 @@ int bch_journal_read(struct cache_set *c, struct list_head *list) struct journal_replay, list)->j.seq; - return 0; + return ret; #undef read_bucket } -- 2.16.4
