diff options
| -rw-r--r-- | drivers/net/ipa/ipa_endpoint.c | 14 |
1 files changed, 6 insertions, 8 deletions
diff --git a/drivers/net/ipa/ipa_endpoint.c b/drivers/net/ipa/ipa_endpoint.c index 136932464261..3756ce5f3f31 100644 --- a/drivers/net/ipa/ipa_endpoint.c +++ b/drivers/net/ipa/ipa_endpoint.c @@ -1325,8 +1325,7 @@ static bool ipa_endpoint_status_skip(struct ipa_endpoint *endpoint, if (!ipa_status_format_packet(status->opcode)) return true; - if (!status->pkt_len) - return true; + endpoint_id = u8_get_bits(status->endp_dst_idx, IPA_STATUS_DST_IDX_FMASK); if (endpoint_id != endpoint->endpoint_id) @@ -1394,6 +1393,7 @@ static void ipa_endpoint_status_parse(struct ipa_endpoint *endpoint, while (resid) { const struct ipa_status *status = data; + u32 length; u32 align; u32 len; @@ -1405,7 +1405,8 @@ static void ipa_endpoint_status_parse(struct ipa_endpoint *endpoint, } /* Skip over status packets that lack packet data */ - if (ipa_endpoint_status_skip(endpoint, status)) { + length = le16_to_cpu(status->pkt_len); + if (!length || ipa_endpoint_status_skip(endpoint, status)) { data += sizeof(*status); resid -= sizeof(*status); continue; @@ -1418,19 +1419,16 @@ static void ipa_endpoint_status_parse(struct ipa_endpoint *endpoint, * computed checksum information will be appended. */ align = endpoint->config.rx.pad_align ? : 1; - len = le16_to_cpu(status->pkt_len); - len = sizeof(*status) + ALIGN(len, align); + len = sizeof(*status) + ALIGN(length, align); if (endpoint->config.checksum) len += sizeof(struct rmnet_map_dl_csum_trailer); if (!ipa_endpoint_status_drop(endpoint, status)) { void *data2; u32 extra; - u32 len2; /* Client receives only packet data (no status) */ data2 = data + sizeof(*status); - len2 = le16_to_cpu(status->pkt_len); /* Have the true size reflect the extra unused space in * the original receive buffer. Distribute the "cost" @@ -1438,7 +1436,7 @@ static void ipa_endpoint_status_parse(struct ipa_endpoint *endpoint, * buffer. */ extra = DIV_ROUND_CLOSEST(unused * len, total_len); - ipa_endpoint_skb_copy(endpoint, data2, len2, extra); + ipa_endpoint_skb_copy(endpoint, data2, length, extra); } /* Consume status and the full packet it describes */ |