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| author | Coly Li <colyli@suse.de> | 2019-06-28 19:59:33 +0800 |
|---|---|---|
| committer | Jens Axboe <axboe@kernel.dk> | 2019-06-28 07:39:14 -0600 |
| commit | 0b13efecf5f25ce5e31f2ab3930335015cb65a7d (patch) | |
| tree | 03280dc95522f10714145d714703c1080b011230 /drivers/md/bcache/sysfs.c | |
| parent | 89e0341af082dbc170019f908846f4a424efc86b (diff) | |
bcache: add return value check to bch_cached_dev_run()
This patch adds return value check to bch_cached_dev_run(), now if there
is error happens inside bch_cached_dev_run(), it can be catched.
Signed-off-by: Coly Li <colyli@suse.de>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Diffstat (limited to 'drivers/md/bcache/sysfs.c')
| -rw-r--r-- | drivers/md/bcache/sysfs.c | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/drivers/md/bcache/sysfs.c b/drivers/md/bcache/sysfs.c index 760cf8951338..eb678e43ac00 100644 --- a/drivers/md/bcache/sysfs.c +++ b/drivers/md/bcache/sysfs.c @@ -325,8 +325,11 @@ STORE(__cached_dev) bch_cache_accounting_clear(&dc->accounting); if (attr == &sysfs_running && - strtoul_or_return(buf)) - bch_cached_dev_run(dc); + strtoul_or_return(buf)) { + v = bch_cached_dev_run(dc); + if (v) + return v; + } if (attr == &sysfs_cache_mode) { v = sysfs_match_string(bch_cache_modes, buf); |