gve: fix XSK buffer leak on error descriptor

When the error bit is set in the RX completion descriptor, the buf_state
and its attached buffer should be freed. In the case of AF_XDP ZC, the
XSK buffer was not freed, leading to a leak.

This issue was caught by LLM.

Fixes: c1fffc5d66a7 ("gve: implement DQO RX datapath and control path for AF_XDP zero-copy")
Cc: stable@vger.kernel.org
Reviewed-by: Jordan Rhee <jordanrhee@google.com>
Reviewed-by: Tim Hostetler <thostet@google.com>
Signed-off-by: Joshua Washington <joshwash@google.com>
Link: https://patch.msgid.link/20260930214735.3288780-3-joshwash@google.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>

0 files changed, 0 insertions, 0 deletions