X-Git-Url: https://git.kernelconcepts.de/?a=blobdiff_plain;f=drivers%2Fmd%2Fdm-exception-store.c;h=3eef6d6f15cd1724098e6141fa60aa66682d6158;hb=a3d939ae7b5f82688a6d3450f95286eaea338328;hp=ebaa4f803eec3a08a0cd9fcd9a9a1b933618c50c;hpb=863e99a8c1ea2b0391491904297f57a0f6a1fdd6;p=karo-tx-linux.git

diff --git a/drivers/md/dm-exception-store.c b/drivers/md/dm-exception-store.c
index ebaa4f803eec..3eef6d6f15cd 100644
--- a/drivers/md/dm-exception-store.c
+++ b/drivers/md/dm-exception-store.c
@@ -183,7 +183,7 @@ int dm_exception_store_set_chunk_size(struct dm_exception_store *store,
 
 	store->chunk_size = chunk_size;
 	store->chunk_mask = chunk_size - 1;
-	store->chunk_shift = ffs(chunk_size) - 1;
+	store->chunk_shift = __ffs(chunk_size);
 
 	return 0;
 }