[PATCH] dm-pcache: cleanup: fix coding style report by checkpatch.pl

[Dongsheng Yang]

A patch from a few days ago fixed the division issue on 32-bit machines,
but it introduced a coding style problem.

WARNING: Missing a blank line after declarations
+       u32 rem;
+       div_u64_rem(off >> PCACHE_CACHE_SUBTREE_SIZE_SHIFT,
        cache->n_ksets, &rem);

total: 0 errors, 1 warnings, 634 lines checked

Signed-off-by: Dongsheng Yang <dongsheng.y...@linux.dev>
---
 drivers/md/dm-pcache/cache.h | 8 +++++---
 1 file changed, 5 insertions(+), 3 deletions(-)

diff --git a/drivers/md/dm-pcache/cache.h b/drivers/md/dm-pcache/cache.h
index b10e721ab1b7..f005c9d9a7aa 100644
--- a/drivers/md/dm-pcache/cache.h
+++ b/drivers/md/dm-pcache/cache.h
@@ -373,9 +373,11 @@ static inline void *get_key_head_addr(struct pcache_cache 
*cache)
 
 static inline u32 get_kset_id(struct pcache_cache *cache, u64 off)
 {
-       u32 rem;
-       div_u64_rem(off >> PCACHE_CACHE_SUBTREE_SIZE_SHIFT, cache->n_ksets, 
&rem);
-       return rem;
+       u32 kset_id;
+
+       div_u64_rem(off >> PCACHE_CACHE_SUBTREE_SIZE_SHIFT, cache->n_ksets, 
&kset_id);
+
+       return kset_id;
 }
 
 static inline struct pcache_cache_kset *get_kset(struct pcache_cache *cache, 
u32 kset_id)
-- 
2.43.0