github/esphome
2
0
Fork 0
mirror of https://github.com/esphome/esphome.git synced 2026-09-22 04:28:43 +00:00
Code Issues Packages Projects Releases Wiki Activity

tweaks

Browse Source
This commit is contained in:
J. Nick Koston
2026-03-16 11:00:57 -10:00
parent 402398b389
commit 86e4341a52
1 changed files with 7 additions and 2 deletions
Download Patch File Download Diff File Expand all files Collapse all files
esphome/components/socket/lwip_raw_tcp_impl.cpp
+7 -2
View File
@@ -1256,9 +1256,14 @@ ssize_t LWIPRawUDPRecvImpl::recvfrom(void *buf, size_t len, struct sockaddr *src
// Copy data from pbuf chain
pbuf_copy_partial(pkt.pb, buf, copy_len, 0);
// Fill in source address if requested
// Fill in source address if requested.
// If ip2sockaddr_ fails (e.g., addrlen too small), fail the entire recvfrom
// rather than silently returning data without a source address.
if (src_addr != nullptr && addrlen != nullptr) {
this->ip2sockaddr_(&pkt.src_addr, pkt.src_port, src_addr, addrlen);
if (this->ip2sockaddr_(&pkt.src_addr, pkt.src_port, src_addr, addrlen) != 0) {
// Put the packet back — don't consume it on address conversion failure
return -1;
}
}
// Free the pbuf and advance the read pointer