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| author |   Alexis Lothoré <alexis.lothore@bootlin.com> | 2025-05-29 11:07:24 +0200 |
|---|---|---|
| committer |   Jakub Kicinski <kuba@kernel.org> | 2025-05-30 19:33:29 -0700 |
| commit | cbefe2ffa7784525ec5d008ba87c7add19ec631a (patch) | |
| tree | 396898f1fee231d9297268517801cba5417b21f0 /tools/testing/selftests/bpf/prog_tests/autoload.c | |
| parent | net: stmmac: make sure that ptp_rate is not 0 before configuring timestamping (diff) | |
| download | wireguard-linux-cbefe2ffa7784525ec5d008ba87c7add19ec631a.tar.xz wireguard-linux-cbefe2ffa7784525ec5d008ba87c7add19ec631a.zip | |
net: stmmac: make sure that ptp_rate is not 0 before configuring EST
If the ptp_rate recorded earlier in the driver happens to be 0, this
bogus value will propagate up to EST configuration, where it will
trigger a division by 0.
Prevent this division by 0 by adding the corresponding check and error
code.
Suggested-by: Maxime Chevallier <maxime.chevallier@bootlin.com>
Signed-off-by: Alexis Lothoré <alexis.lothore@bootlin.com>
Fixes: 8572aec3d0dc ("net: stmmac: Add basic EST support for XGMAC")
Link: https://patch.msgid.link/20250529-stmmac_tstamp_div-v4-2-d73340a794d5@bootlin.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Diffstat (limited to 'tools/testing/selftests/bpf/prog_tests/autoload.c')
0 files changed, 0 insertions, 0 deletions