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authorJakub Kicinski <kuba@kernel.org>2024-06-27 12:12:07 -0700
committerJakub Kicinski <kuba@kernel.org>2024-06-27 12:14:11 -0700
commit193b9b200224dab4eaec407eb2955303a521f5b6 (patch)
tree95366182cc2871667a60613a921f7bfae0b9e2c7 /lib
parentcce346d441399209bd582f1aaf190a7784dd12f8 (diff)
parentffb7aa9fedad817b9fa0d868a3065c4eeb1f68c4 (diff)
Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
Cross-merge networking fixes after downstream PR. No conflicts. Adjacent changes: e3f02f32a050 ("ionic: fix kernel panic due to multi-buffer handling") d9c04209990b ("ionic: Mark error paths in the data path as unlikely") Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Diffstat (limited to 'lib')
-rw-r--r--lib/closure.c10
1 files changed, 8 insertions, 2 deletions
diff --git a/lib/closure.c b/lib/closure.c
index 07409e9e35a5..2e1ee9fdec08 100644
--- a/lib/closure.c
+++ b/lib/closure.c
@@ -17,12 +17,18 @@ static inline void closure_put_after_sub(struct closure *cl, int flags)
{
int r = flags & CLOSURE_REMAINING_MASK;
- BUG_ON(flags & CLOSURE_GUARD_MASK);
- BUG_ON(!r && (flags & ~CLOSURE_DESTRUCTOR));
+ if (WARN(flags & CLOSURE_GUARD_MASK,
+ "closure has guard bits set: %x (%u)",
+ flags & CLOSURE_GUARD_MASK, (unsigned) __fls(r)))
+ r &= ~CLOSURE_GUARD_MASK;
if (!r) {
smp_acquire__after_ctrl_dep();
+ WARN(flags & ~CLOSURE_DESTRUCTOR,
+ "closure ref hit 0 with incorrect flags set: %x (%u)",
+ flags & ~CLOSURE_DESTRUCTOR, (unsigned) __fls(flags));
+
cl->closure_get_happened = false;
if (cl->fn && !(flags & CLOSURE_DESTRUCTOR)) {