abc/lwip
1
0
Fork 0
mirror of https://git.savannah.nongnu.org/git/lwip.git synced 2025-08-04 21:44:38 +08:00
Code Issues Packages Projects Releases Wiki Activity

Make patch 4 of David's Minix3 patches superfluous: Use PBUF_POOL to duplicate incoming packets in UDP

Browse Source 
... which would have been the correct way to do it anyway :-)
http://git.minix3.org/index.cgi?p=minix.git;a=blob;f=minix/lib/liblwip/patches/0004-MINIX-3-only-avoid-large-contiguous-allocations.patch;h=f23143c7e8d372b3b35b599a97975d79924f73c1;hb=HEAD
This commit is contained in:
Dirk Ziegelmeier 2017-05-03 09:02:35 +02:00
parent 7defe372b9
commit d32492e953
1 changed files with 4 additions and 7 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

5
src/core/udp.c
View File

@ -374,10 +374,8 @@ udp_input(struct pbuf *p, struct netif *inp)
pbuf_header_force(p, hdrs_len); pbuf_header_force(p, hdrs_len);
p_header_changed = 1; p_header_changed = 1;
} }
q = pbuf_alloc(PBUF_RAW, p->tot_len, PBUF_RAM); q = pbuf_clone(PBUF_RAW, PBUF_POOL, p);
if (q != NULL) { if (q != NULL) {
err_t err = pbuf_copy(q, p);
if (err == ERR_OK) {
/* move payload to UDP data */ /* move payload to UDP data */
pbuf_header(q, -hdrs_len); pbuf_header(q, -hdrs_len);
mpcb->recv(mpcb->recv_arg, mpcb, q, ip_current_src_addr(), src); mpcb->recv(mpcb->recv_arg, mpcb, q, ip_current_src_addr(), src);
@ -386,7 +384,6 @@ udp_input(struct pbuf *p, struct netif *inp)
} }
} }
} }
}
if (p_header_changed) { if (p_header_changed) {
/* and move payload to UDP data again */ /* and move payload to UDP data again */
pbuf_header(p, -hdrs_len); pbuf_header(p, -hdrs_len);