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UPSTREAM: mm/damon/core: nullify pointer ctx->kdamond with a NULL

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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>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

(cherry picked from commit 7ec1992b89)

Bug: 228223814
Signed-off-by: Hailong Tu <tuhailong@oppo.com>
Change-Id: Id5f9786633a785fd45bb6b25f0765671a21d3458
This commit is contained in:
Colin Ian King
2021-11-05 13:46:15 -07:00
committed by Hailong Tu
parent e0fad2fbbe
commit b1209ff347
1 changed files with 1 additions and 1 deletions
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2
mm/damon/core.c
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@@ -314,7 +314,7 @@ static int __damon_start(struct damon_ctx *ctx)
nr_running_ctxs);
if (IS_ERR(ctx->kdamond)) {
err = PTR_ERR(ctx->kdamond);
ctx->kdamond = 0;
ctx->kdamond = NULL;
}
}
mutex_unlock(&ctx->kdamond_lock);