diff options
| author | Greg Kroah-Hartman <[email protected]> | 2024-08-19 06:24:50 +0200 |
|---|---|---|
| committer | Greg Kroah-Hartman <[email protected]> | 2024-08-19 06:24:50 +0200 |
| commit | ebbe30f4bba127505c5664dd67f519e5e06d16be (patch) | |
| tree | 7285f44ba6e74a25876982cb50f9a430169cc42e /include/linux/refcount.h | |
| parent | 1241b384efa53f4b7a95fe2b34d69359bb3ae1b5 (diff) | |
| parent | 47ac09b91befbb6a235ab620c32af719f8208399 (diff) | |
Merge 6.11-rc4 into tty-next
We need the tty/serial fixes in here as well.
Signed-off-by: Greg Kroah-Hartman <[email protected]>
Diffstat (limited to 'include/linux/refcount.h')
| -rw-r--r-- | include/linux/refcount.h | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/include/linux/refcount.h b/include/linux/refcount.h index 59b3b752394d..35f039ecb272 100644 --- a/include/linux/refcount.h +++ b/include/linux/refcount.h @@ -266,12 +266,12 @@ bool __refcount_sub_and_test(int i, refcount_t *r, int *oldp) if (oldp) *oldp = old; - if (old == i) { + if (old > 0 && old == i) { smp_acquire__after_ctrl_dep(); return true; } - if (unlikely(old < 0 || old - i < 0)) + if (unlikely(old <= 0 || old - i < 0)) refcount_warn_saturate(r, REFCOUNT_SUB_UAF); return false; |