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authorAndrew Morton <akpm@linux-foundation.org>2025-07-12 14:48:26 -0700
committerAndrew Morton <akpm@linux-foundation.org>2025-07-12 14:48:26 -0700
commitcac3d177c045d1ff88ce4b64859c13de133564ed (patch)
treee0e98021ddb23607f586787799ebf5d048203f3e /lib/alloc_tag.c
parentfdc3bc3497946c6b416a17628907581657102e60 (diff)
parentdb6cc3f4ac2e6cdc898fc9cbc8b32ae1bf56bdad (diff)
Merge branch 'mm-hotfixes-stable' into mm-stable to pick up changes which
are required for a merge of the series "mm: folio_pte_batch() improvements".
Diffstat (limited to 'lib/alloc_tag.c')
-rw-r--r--lib/alloc_tag.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/lib/alloc_tag.c b/lib/alloc_tag.c
index 41ccfb035b7b..e9b33848700a 100644
--- a/lib/alloc_tag.c
+++ b/lib/alloc_tag.c
@@ -127,6 +127,9 @@ size_t alloc_tag_top_users(struct codetag_bytes *tags, size_t count, bool can_sl
struct codetag_bytes n;
unsigned int i, nr = 0;
+ if (IS_ERR_OR_NULL(alloc_tag_cttype))
+ return 0;
+
if (can_sleep)
codetag_lock_module_list(alloc_tag_cttype, true);
else if (!codetag_trylock_module_list(alloc_tag_cttype))