diff options
| author | Yunjian Wang <[email protected]> | 2020-12-25 10:52:16 +0800 |
|---|---|---|
| committer | Jakub Kicinski <[email protected]> | 2020-12-28 13:34:36 -0800 |
| commit | 950271d7cc0b4546af3549d8143c4132d6e1f138 (patch) | |
| tree | 53d48680489e76aa47314f02e854797d8e07fd86 /tools/perf/scripts/python/bin/export-to-postgresql-report | |
| parent | 4614792eebcbf81c60ad3604c1aeeb2b0899cea4 (diff) | |
tun: fix return value when the number of iovs exceeds MAX_SKB_FRAGS
Currently the tun_napi_alloc_frags() function returns -ENOMEM when the
number of iovs exceeds MAX_SKB_FRAGS + 1. However this is inappropriate,
we should use -EMSGSIZE instead of -ENOMEM.
The following distinctions are matters:
1. the caller need to drop the bad packet when -EMSGSIZE is returned,
which means meeting a persistent failure.
2. the caller can try again when -ENOMEM is returned, which means
meeting a transient failure.
Fixes: 90e33d459407 ("tun: enable napi_gro_frags() for TUN/TAP driver")
Signed-off-by: Yunjian Wang <[email protected]>
Acked-by: Willem de Bruijn <[email protected]>
Acked-by: Jason Wang <[email protected]>
Acked-by: Michael S. Tsirkin <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Jakub Kicinski <[email protected]>
Diffstat (limited to 'tools/perf/scripts/python/bin/export-to-postgresql-report')
0 files changed, 0 insertions, 0 deletions