linux-kernel - [PATCH] XArray: Fix warning comparing pointer to 0

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Message-ID: <1648085104-22891-1-git-send-email-baihaowen@meizu.com>
Date:   Thu, 24 Mar 2022 09:25:04 +0800
From:   Haowen Bai <baihaowen@...zu.com>
To:     <willy@...radead.org>
CC:     <linux-kernel@...r.kernel.org>, Haowen Bai <baihaowen@...zu.com>
Subject: [PATCH] XArray: Fix warning comparing pointer to 0

Avoid pointer type value compared with 0 to make code clear.

Signed-off-by: Haowen Bai <baihaowen@...zu.com>
---
 lib/test_xarray.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/lib/test_xarray.c b/lib/test_xarray.c
index 8b1c318..d3fa5d9 100644
--- a/lib/test_xarray.c
+++ b/lib/test_xarray.c
@@ -742,7 +742,7 @@ static noinline void check_xa_alloc_1(struct xarray *xa, unsigned int base)
 
 	XA_BUG_ON(xa, xa_alloc(xa, &id, xa_mk_index(10), XA_LIMIT(10, 5),
 				GFP_KERNEL) != -EBUSY);
-	XA_BUG_ON(xa, xa_store_index(xa, 3, GFP_KERNEL) != 0);
+	XA_BUG_ON(xa, xa_store_index(xa, 3, GFP_KERNEL) != NULL);
 	XA_BUG_ON(xa, xa_alloc(xa, &id, xa_mk_index(10), XA_LIMIT(10, 5),
 				GFP_KERNEL) != -EBUSY);
 	xa_erase_index(xa, 3);
-- 
2.7.4