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fuse: release temporary page if fuse_writepage_locked() failed

PATCH New Maxim Patlasov 1 participant 1 message Jul 10, 2014 FUSE filesystem core

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Maxim Patlasov

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PATCH 1/1 fuse: release temporary page if fuse_writepage_locked() failed

tmp_page to be freed if fuse_write_file_get() returns NULL.

Signed-off-by Maxim Patlasov <[email protected]>
---
 fs/fuse/file.c |    4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)
fs/fuse/file.c +3 -1
index 3a47aa2..a18baa4 100644
@@ -1679,7 +1679,7 @@ static int fuse_writepage_locked(struct page *page)
 	error = -EIO;
 	req->ff = fuse_write_file_get(fc, fi);
 	if (!req->ff)
-		goto err_free;
+		goto err_nofile;
 
 	fuse_write_fill(req, req->ff, page_offset(page), 0);
 

@@ -1707,6 +1707,8 @@ static int fuse_writepage_locked(struct page *page)
 
 	return 0;
 
+err_nofile:
+	__free_page(tmp_page);
 err_free:
 	fuse_request_free(req);
 err: