diff options
| author | Johannes Berg <[email protected]> | 2024-10-09 08:59:14 +0200 |
|---|---|---|
| committer | Johannes Berg <[email protected]> | 2024-10-09 08:59:22 +0200 |
| commit | a0efa2f362a69e47b9d8b48f770ef3a0249a7911 (patch) | |
| tree | 384d2c79a9b613213ef7591583d820d18c7be9c3 /kernel/padata.c | |
| parent | db03488897a70367aeafe82d07a78943d2a6068e (diff) | |
| parent | 36efaca9cb28a893cad98f0448c39a8b698859e2 (diff) | |
Merge net-next/main to resolve conflicts
The wireless-next tree was based on something older, and there
are now conflicts between -rc2 and work here. Merge net-next,
which has enough of -rc2 for the conflicts to happen, resolving
them in the process.
Signed-off-by: Johannes Berg <[email protected]>
Diffstat (limited to 'kernel/padata.c')
| -rw-r--r-- | kernel/padata.c | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/kernel/padata.c b/kernel/padata.c index 0fa6c2895460..d899f34558af 100644 --- a/kernel/padata.c +++ b/kernel/padata.c @@ -404,7 +404,8 @@ void padata_do_serial(struct padata_priv *padata) /* Sort in ascending order of sequence number. */ list_for_each_prev(pos, &reorder->list) { cur = list_entry(pos, struct padata_priv, list); - if (cur->seq_nr < padata->seq_nr) + /* Compare by difference to consider integer wrap around */ + if ((signed int)(cur->seq_nr - padata->seq_nr) < 0) break; } list_add(&padata->list, pos); @@ -512,9 +513,12 @@ void __init padata_do_multithreaded(struct padata_mt_job *job) * thread function. Load balance large jobs between threads by * increasing the number of chunks, guarantee at least the minimum * chunk size from the caller, and honor the caller's alignment. + * Ensure chunk_size is at least 1 to prevent divide-by-0 + * panic in padata_mt_helper(). */ ps.chunk_size = job->size / (ps.nworks * load_balance_factor); ps.chunk_size = max(ps.chunk_size, job->min_chunk); + ps.chunk_size = max(ps.chunk_size, 1ul); ps.chunk_size = roundup(ps.chunk_size, job->align); /* |