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

Andrew Morton
2021-11-05T20:46:18Z

From: Colin Ian King <colin.king@canonical.com>
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@canonical.com
Signed-off-by: Colin Ian King <colin.king@canonical.com>
Reviewed-by: SeongJae Park <sj@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
---

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);
_