Re: [External] : [PATCH] ocfs2: remove unnecessary NULL check in ocfs2_grab_folios()

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On 8/19/25 4:41 AM, Dan Carpenter wrote:
Smatch complains that checking "folios" for NULL doesn't make sense
because it has already been dereferenced at this point.  Really passing a
NULL "folios" pointer to ocfs2_grab_folios() doesn't make sense, and
fortunately none of the callers do that.  Delete the unnecessary NULL
check.

Signed-off-by: Dan Carpenter <dan.carpenter@xxxxxxxxxx>
---
  fs/ocfs2/alloc.c | 3 +--
  1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/fs/ocfs2/alloc.c b/fs/ocfs2/alloc.c
index 821cb7874685..162711cc5b20 100644
--- a/fs/ocfs2/alloc.c
+++ b/fs/ocfs2/alloc.c
@@ -6928,8 +6928,7 @@ static int ocfs2_grab_folios(struct inode *inode, loff_t start, loff_t end,
out:
  	if (ret != 0) {
-		if (folios)
-			ocfs2_unlock_and_free_folios(folios, numfolios);
+		ocfs2_unlock_and_free_folios(folios, numfolios);
  		numfolios = 0;
  	}

Reviewed-by: Mark Tinguely <mark.tinguely@xxxxxxxxxx>




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