gve: Implement settime64 with -EOPNOTSUPP

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ptp_clock_settime() assumes every ptp_clock has implemented settime64().
Stub it with -EOPNOTSUPP to prevent a NULL dereference.

Fixes: acd1638052 ("gve: Add initial PTP device support")
Reported-by: syzbot+a546141ca6d53b90aba3@syzkaller.appspotmail.com
Closes: https://syzkaller.appspot.com/bug?extid=a546141ca6d53b90aba3
Signed-off-by: Tim Hostetler <thostet@google.com>
Reviewed-by: Kuniyuki Iwashima <kuniyu@google.com>
Signed-off-by: Joshua Washington <joshwash@google.com>
Link: https://patch.msgid.link/20251029184555.3852952-3-joshwash@google.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>

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Tim Hostetler 2025-10-29 11:45:40 -07:00 • committed by Jakub Kicinski

parent 6ab753b5d8

commit 329d050bbe

1 changed files with 7 additions and 0 deletions

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drivers/net/ethernet/google/gve/gve_ptp.c

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