[PATCH 1/2] dm-pcache: fix uninitialized variable issue found by smatch

[Dongsheng Yang]

Signed-off-by: Dongsheng Yang <dongsheng.y...@linux.dev>
---
 drivers/md/dm-pcache/cache_req.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/md/dm-pcache/cache_req.c b/drivers/md/dm-pcache/cache_req.c
index 992a1ad98909..e0b90bfea4fe 100644
--- a/drivers/md/dm-pcache/cache_req.c
+++ b/drivers/md/dm-pcache/cache_req.c
@@ -45,6 +45,7 @@ static int cache_data_alloc(struct pcache_cache *cache, 
struct pcache_cache_key
        preempt_disable();
        data_head = get_data_head(cache);
 again:
+       to_alloc = key->len - allocated;
        if (!data_head->head_pos.cache_seg) {
                seg_remain = 0;
        } else {
@@ -54,7 +55,6 @@ static int cache_data_alloc(struct pcache_cache *cache, 
struct pcache_cache_key
                head_pos = &data_head->head_pos;
                cache_seg = head_pos->cache_seg;
                seg_remain = cache_seg_remain(head_pos);
-               to_alloc = key->len - allocated;
        }
 
        if (seg_remain > to_alloc) {
-- 
2.43.0