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); _