From: SeongJae Park Date: Tue, 9 Sep 2025 02:22:37 +0000 (-0700) Subject: samples/damon/prcl: avoid starting DAMON before initialization X-Git-Tag: v6.16.9~1 X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=f9fc28d1451b3c78307ea0d0fa6d83f8b68aa4f2;p=thirdparty%2Fkernel%2Fstable.git samples/damon/prcl: avoid starting DAMON before initialization commit e6b733ca2f99e968d696c2e812c8eb8e090bf37b upstream. Commit 2780505ec2b4 ("samples/damon/prcl: fix boot time enable crash") is somehow incompletely applying the origin patch [1]. It is missing the part that avoids starting DAMON before module initialization. Probably a mistake during a merge has happened. Fix it by applying the missed part again. Link: https://lkml.kernel.org/r/20250909022238.2989-3-sj@kernel.org Link: https://lore.kernel.org/20250706193207.39810-3-sj@kernel.org [1] Fixes: 2780505ec2b4 ("samples/damon/prcl: fix boot time enable crash") Signed-off-by: SeongJae Park Cc: Signed-off-by: Andrew Morton Signed-off-by: Greg Kroah-Hartman --- diff --git a/samples/damon/prcl.c b/samples/damon/prcl.c index 223f13a5a4ad4..f971e61e6c5c0 100644 --- a/samples/damon/prcl.c +++ b/samples/damon/prcl.c @@ -124,6 +124,9 @@ static int damon_sample_prcl_enable_store( if (enabled == is_enabled) return 0; + if (!init_called) + return 0; + if (enabled) { err = damon_sample_prcl_start(); if (err)