Merge tag 'net-pull-request' of https://github.com/jasowang/qemu into staging

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# gpg: Signature made Mon 21 Jul 2025 01:56:45 EDT
# gpg:                using RSA key 215D46F48246689EC77F3562EF04965B398D6211
# gpg: Good signature from "Jason Wang (Jason Wang on RedHat) <jasowang@redhat.com>" [full]
# Primary key fingerprint: 215D 46F4 8246 689E C77F  3562 EF04 965B 398D 6211

* tag 'net-pull-request' of https://github.com/jasowang/qemu:
  net/vhost-user: Remove unused "err" from chr_closed_bh() (CID 1612365)
  net/passt: Initialize "error" variable in net_passt_send() (CID 1612368)
  net/passt: Check return value of g_remove() in net_passt_cleanup() (CID 1612369)
  net/passt: Remove dead code in passt_vhost_user_start error path (CID 1612371)
  net/vhost-user: Remove unused "err" from net_vhost_user_event() (CID 1612372)
  net/passt: Remove unused "err" from passt_vhost_user_event() (CID 1612375)
  hw/net/npcm_gmac.c: Drop 'buf' local variable
  hw/net/npcm_gmac.c: Correct test for when to reallocate packet buffer
  hw/net/npcm_gmac.c: Unify length and prev_buf_size variables
  hw/net/npcm_gmac.c: Send the right data for second packet in a row
  tap: fix net_init_tap() return code
  net/tap: drop too small packets

Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>