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Rework second part of r357558. Unroll the macro and allocate memory in

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sleepable manner before entering the epoch for the send.
This commit is contained in:
Gleb Smirnoff 2020-02-21 04:18:15 +00:00
parent be3d57e69b
commit 039eb22c0a
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=358194
1 changed files with 4 additions and 1 deletions
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5
sys/netgraph/ng_socket.c
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@ -410,6 +410,7 @@ ngd_send(struct socket *so, int flags, struct mbuf *m, struct sockaddr *addr,
struct sockaddr_ng *const sap = (struct sockaddr_ng *) addr;
int len, error;
hook_p hook = NULL;
item_p item;
char hookname[NG_HOOKSIZ];
if ((pcbp == NULL) || (control != NULL)) {
@ -462,8 +463,10 @@ ngd_send(struct socket *so, int flags, struct mbuf *m, struct sockaddr *addr,
}
/* Send data. */
item = ng_package_data(m, NG_WAITOK);
m = NULL;
NET_EPOCH_ENTER(et);
NG_SEND_DATA_FLAGS(error, hook, m, NG_WAITOK);
NG_FWD_ITEM_HOOK(error, item, hook);
NET_EPOCH_EXIT(et);
release: