[patch 222/262] mm/damon/core: nullify pointer ctx->kdamond with a NULL

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From: Colin Ian King <colin.king@xxxxxxxxxxxxx>
Subject: mm/damon/core: nullify pointer ctx->kdamond with a NULL

Currently a plain integer is being used to nullify the pointer
ctx->kdamond.  Use NULL instead.  Cleans up sparse warning:

mm/damon/core.c:317:40: warning: Using plain integer as NULL pointer

Link: https://lkml.kernel.org/r/20210925215908.181226-1-colin.king@xxxxxxxxxxxxx
Signed-off-by: Colin Ian King <colin.king@xxxxxxxxxxxxx>
Reviewed-by: SeongJae Park <sj@xxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---

 mm/damon/core.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

--- a/mm/damon/core.c~mm-damon-core-nullify-pointer-ctx-kdamond-with-a-null
+++ a/mm/damon/core.c
@@ -314,7 +314,7 @@ static int __damon_start(struct damon_ct
 				nr_running_ctxs);
 		if (IS_ERR(ctx->kdamond)) {
 			err = PTR_ERR(ctx->kdamond);
-			ctx->kdamond = 0;
+			ctx->kdamond = NULL;
 		}
 	}
 	mutex_unlock(&ctx->kdamond_lock);
_



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