[PATCH V6 02/30] block: bio_set_pages_dirty can't see NULL bv_page in a valid bio_vec

[Ming Lei <ming.lei@xxxxxxxxxx>]

From: Christoph Hellwig <hch@xxxxxx>

So don't bother handling it.

Reviewed-by: Ming Lei <ming.lei@xxxxxxxxxx>
Signed-off-by: Christoph Hellwig <hch@xxxxxx>
---
 block/bio.c | 6 ++----
 1 file changed, 2 insertions(+), 4 deletions(-)

diff --git a/block/bio.c b/block/bio.c
index 3e7d117c3346..ebd3ca62e037 100644
--- a/block/bio.c
+++ b/block/bio.c
@@ -1634,10 +1634,8 @@ void bio_set_pages_dirty(struct bio *bio)
 	int i;
 
 	bio_for_each_segment_all(bvec, bio, i) {
-		struct page *page = bvec->bv_page;
-
-		if (page && !PageCompound(page))
-			set_page_dirty_lock(page);
+		if (!PageCompound(bvec->bv_page))
+			set_page_dirty_lock(bvec->bv_page);
 	}
 }
 EXPORT_SYMBOL_GPL(bio_set_pages_dirty);
-- 
2.9.5