bvec: avoid variable shadowing warning

Due to the (indirect) nesting of min(..., min(...)), sparse will
show a variable shadowing warning whenever bvec.h is included.

Avoid that by assigning the inner min() to a temporary variable first.

Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Jens Axboe <axboe@fb.com>

diff --git a/include/linux/bvec.h b/include/linux/bvec.h
index 701b64a..89b65b8 100644 (file)
--- a/include/linux/bvec.h
+++ b/include/linux/bvec.h
@@ -74,7 +74,8 @@ static inline void bvec_iter_advance(const struct bio_vec *bv,
                  "Attempted to advance past end of bvec iter\n");
 
        while (bytes) {
-               unsigned len = min(bytes, bvec_iter_len(bv, *iter));
+               unsigned iter_len = bvec_iter_len(bv, *iter);
+               unsigned len = min(bytes, iter_len);
 
                bytes -= len;
                iter->bi_size -= len;