netmap: fix mutex double unlock bug

https://github.com/luigirizzo/netmap/pull/733 Submitted by: brian90013 MFC after: 3 days
2020-10-22 20:21:11 +00:00 · 2020-10-22 20:21:11 +00:00 · 174f809da5
commit 174f809da5
parent e416eecbb9
1 changed files with 0 additions and 1 deletions
--- a/sys/dev/netmap/netmap_mem2.c
+++ b/sys/dev/netmap/netmap_mem2.c
@ -2007,7 +2007,6 @@ netmap_mem2_if_new(struct netmap_adapter *na, struct netmap_priv_d *priv)
 	len = sizeof(struct netmap_if) + (ntot * sizeof(ssize_t));
 	nifp = netmap_if_malloc(na->nm_mem, len);
 	if (nifp == NULL) {
-		NMA_UNLOCK(na->nm_mem);
 		return NULL;
 	}