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| author |   Jakub Kicinski <kuba@kernel.org> | 2025-11-13 12:32:50 -0800 |
|---|---|---|
| committer | Jakub Kicinski <kuba@kernel.org> | 2025-11-13 12:35:38 -0800 |
| commit | c99ebb6132595b4b288a413981197eb076547c5a (patch) | |
| tree | 6ef2de29b7afb5f1107b8e11489c09f0a5290260 /kernel/trace/ring_buffer.c | |
| parent | net: stmmac: always allocate mac_device_info (diff) | |
| parent | Merge tag 'net-6.18-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net (diff) | |
| download | wireguard-linux-c99ebb6132595b4b288a413981197eb076547c5a.tar.xz wireguard-linux-c99ebb6132595b4b288a413981197eb076547c5a.zip | |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
Cross-merge networking fixes after downstream PR (net-6.18-rc6).
No conflicts, adjacent changes in:
drivers/net/phy/micrel.c
96a9178a29a6 ("net: phy: micrel: lan8814 fix reset of the QSGMII interface")
61b7ade9ba8c ("net: phy: micrel: Add support for non PTP SKUs for lan8814")
and a trivial one in tools/testing/selftests/drivers/net/Makefile.
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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; |