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-rw-r--r--drivers/md/bcache/super.c3
-rw-r--r--drivers/md/bcache/sysfs.c20
-rw-r--r--drivers/md/dm-table.c16
3 files changed, 23 insertions, 16 deletions
diff --git a/drivers/md/bcache/super.c b/drivers/md/bcache/super.c
index 26e374fbf57c..20ed838e9413 100644
--- a/drivers/md/bcache/super.c
+++ b/drivers/md/bcache/super.c
@@ -931,6 +931,9 @@ int bch_cached_dev_run(struct cached_dev *dc)
if (dc->io_disable) {
pr_err("I/O disabled on cached dev %s",
dc->backing_dev_name);
+ kfree(env[1]);
+ kfree(env[2]);
+ kfree(buf);
return -EIO;
}
diff --git a/drivers/md/bcache/sysfs.c b/drivers/md/bcache/sysfs.c
index 9f0826712845..e2059af90791 100644
--- a/drivers/md/bcache/sysfs.c
+++ b/drivers/md/bcache/sysfs.c
@@ -23,24 +23,28 @@ static const char * const bch_cache_modes[] = {
"writethrough",
"writeback",
"writearound",
- "none"
+ "none",
+ NULL
};
/* Default is 0 ("auto") */
static const char * const bch_stop_on_failure_modes[] = {
"auto",
- "always"
+ "always",
+ NULL
};
static const char * const cache_replacement_policies[] = {
"lru",
"fifo",
- "random"
+ "random",
+ NULL
};
static const char * const error_actions[] = {
"unregister",
- "panic"
+ "panic",
+ NULL
};
write_attribute(attach);
@@ -338,7 +342,7 @@ STORE(__cached_dev)
}
if (attr == &sysfs_cache_mode) {
- v = sysfs_match_string(bch_cache_modes, buf);
+ v = __sysfs_match_string(bch_cache_modes, -1, buf);
if (v < 0)
return v;
@@ -349,7 +353,7 @@ STORE(__cached_dev)
}
if (attr == &sysfs_stop_when_cache_set_failed) {
- v = sysfs_match_string(bch_stop_on_failure_modes, buf);
+ v = __sysfs_match_string(bch_stop_on_failure_modes, -1, buf);
if (v < 0)
return v;
@@ -816,7 +820,7 @@ STORE(__bch_cache_set)
0, UINT_MAX);
if (attr == &sysfs_errors) {
- v = sysfs_match_string(error_actions, buf);
+ v = __sysfs_match_string(error_actions, -1, buf);
if (v < 0)
return v;
@@ -1088,7 +1092,7 @@ STORE(__bch_cache)
}
if (attr == &sysfs_cache_replacement_policy) {
- v = sysfs_match_string(cache_replacement_policies, buf);
+ v = __sysfs_match_string(cache_replacement_policies, -1, buf);
if (v < 0)
return v;
diff --git a/drivers/md/dm-table.c b/drivers/md/dm-table.c
index caaee8032afe..7b6c3ee9e755 100644
--- a/drivers/md/dm-table.c
+++ b/drivers/md/dm-table.c
@@ -882,23 +882,23 @@ EXPORT_SYMBOL_GPL(dm_table_set_type);
/* validate the dax capability of the target device span */
int device_supports_dax(struct dm_target *ti, struct dm_dev *dev,
- sector_t start, sector_t len, void *data)
+ sector_t start, sector_t len, void *data)
{
int blocksize = *(int *) data;
return generic_fsdax_supported(dev->dax_dev, dev->bdev, blocksize,
- start, len);
+ start, len);
}
/* Check devices support synchronous DAX */
-static int device_synchronous(struct dm_target *ti, struct dm_dev *dev,
- sector_t start, sector_t len, void *data)
+static int device_dax_synchronous(struct dm_target *ti, struct dm_dev *dev,
+ sector_t start, sector_t len, void *data)
{
- return dax_synchronous(dev->dax_dev);
+ return dev->dax_dev && dax_synchronous(dev->dax_dev);
}
bool dm_table_supports_dax(struct dm_table *t,
- iterate_devices_callout_fn iterate_fn, int *blocksize)
+ iterate_devices_callout_fn iterate_fn, int *blocksize)
{
struct dm_target *ti;
unsigned i;
@@ -911,7 +911,7 @@ bool dm_table_supports_dax(struct dm_table *t,
return false;
if (!ti->type->iterate_devices ||
- !ti->type->iterate_devices(ti, iterate_fn, blocksize))
+ !ti->type->iterate_devices(ti, iterate_fn, blocksize))
return false;
}
@@ -1921,7 +1921,7 @@ void dm_table_set_restrictions(struct dm_table *t, struct request_queue *q,
if (dm_table_supports_dax(t, device_supports_dax, &page_size)) {
blk_queue_flag_set(QUEUE_FLAG_DAX, q);
- if (dm_table_supports_dax(t, device_synchronous, NULL))
+ if (dm_table_supports_dax(t, device_dax_synchronous, NULL))
set_dax_synchronous(t->md->dax_dev);
}
else