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| author | Jiri Kosina <jkosina@suse.com> | 2025-12-02 14:52:36 +0100 |
|---|---|---|
| committer | Jiri Kosina <jkosina@suse.com> | 2025-12-02 14:52:36 +0100 |
| commit | 1a2f09ae11b4657d49df6fa86744795f99c2ee27 (patch) | |
| tree | cb178345ab4408702ec6de5fe9910924bfae96d7 /kernel/trace/ring_buffer.c | |
| parent | 59c752c59f12cfb56bbc0b213a4d24407959688a (diff) | |
| parent | 3b86c87f8dcbb8ba3b00d7adf7ccfff086f0f23e (diff) | |
Merge branch 'for-6.19/hid-bpf' into for-linus
- Bring in a couple more BPF drivers for various devices (Benjamin Tissoires)
Diffstat (limited to 'kernel/trace/ring_buffer.c')
| -rw-r--r-- | kernel/trace/ring_buffer.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/kernel/trace/ring_buffer.c b/kernel/trace/ring_buffer.c index 1244d2c5c384..afcd3747264d 100644 --- a/kernel/trace/ring_buffer.c +++ b/kernel/trace/ring_buffer.c @@ -7344,6 +7344,10 @@ consume: goto out; } + /* Did the reader catch up with the writer? */ + if (cpu_buffer->reader_page == cpu_buffer->commit_page) + goto out; + reader = rb_get_reader_page(cpu_buffer); if (WARN_ON(!reader)) goto out; |