在 8/15/2025 10:31 PM, Mikulas Patocka 写道:

On Fri, 15 Aug 2025, Dongsheng Yang wrote:

The 'ret' varialbe may be returned without initialized in some branch,
this patch make sure it is initialized correctly with 0.
Hi

I've already fixed it (and I folded the fix into the existing commit).


Okey, thanx


Dongsheng


Mikulas

Fixes: 6fb8fbbaf147 ("dm-pcache: add persistent cache target in device-mapper")
Reported-by: kernel test robot <l...@intel.com>
Closes: 
https://lore.kernel.org/oe-kbuild-all/202508151712.qmqd87ii-...@intel.com/
Signed-off-by: Dongsheng Yang <dongsheng.y...@linux.dev>
---
  drivers/md/dm-pcache/cache_dev.c | 2 +-
  1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/md/dm-pcache/cache_dev.c b/drivers/md/dm-pcache/cache_dev.c
index 722d7e952262..a7dafe8d35f7 100644
--- a/drivers/md/dm-pcache/cache_dev.c
+++ b/drivers/md/dm-pcache/cache_dev.c
@@ -21,7 +21,7 @@ static int build_vmap(struct dax_device *dax_dev, long 
total_pages, void **vaddr
        struct page **pages;
        long i = 0, chunk;
        unsigned long pfn;
-       int ret;
+       int ret = 0;
pages = vmalloc_array(total_pages, sizeof(struct page *));
        if (!pages)
--
2.43.0


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