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| author | Sean Anderson <sean.anderson@linux.dev> | 2025-02-20 11:29:50 -0500 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2025-03-07 18:25:30 +0100 |
| commit | ab52446831a7b77408595b71c38b10f12a37c544 (patch) | |
| tree | 7172ee3f989baaf2a31e3ad6eace8c5381c4a605 /scripts/git.orderFile | |
| parent | 5353fd89663c48f56bdff975c562cfe78b1a2e4c (diff) | |
| download | linux-ab52446831a7b77408595b71c38b10f12a37c544.tar.gz linux-ab52446831a7b77408595b71c38b10f12a37c544.tar.bz2 linux-ab52446831a7b77408595b71c38b10f12a37c544.zip | |
net: cadence: macb: Synchronize stats calculations
[ Upstream commit fa52f15c745ce55261b92873676f64f7348cfe82 ]
Stats calculations involve a RMW to add the stat update to the existing
value. This is currently not protected by any synchronization mechanism,
so data races are possible. Add a spinlock to protect the update. The
reader side could be protected using u64_stats, but we would still need
a spinlock for the update side anyway. And we always do an update
immediately before reading the stats anyway.
Fixes: 89e5785fc8a6 ("[PATCH] Atmel MACB ethernet driver")
Signed-off-by: Sean Anderson <sean.anderson@linux.dev>
Link: https://patch.msgid.link/20250220162950.95941-1-sean.anderson@linux.dev
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
Diffstat (limited to 'scripts/git.orderFile')
0 files changed, 0 insertions, 0 deletions