d/freebsd-nq
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

umtxq_requeue: remove write-only variable uh2

Browse Source 
umtxq_queue_lookup() does not change state.  It is redone inside
umtxq_insert() later, anyway.

Sponsored by:	The FreeBSD Foundation
MFC after:	1 week
This commit is contained in:
Konstantin Belousov 2021-10-21 20:10:42 +03:00
parent 2030ee0e1b
commit bded8fa300
1 changed files with 1 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

3
sys/kern/kern_umtx.c
View File

@ -641,7 +641,7 @@ int
umtxq_requeue(struct umtx_key *key, int n_wake, struct umtx_key *key2,
int n_requeue)
{
struct umtxq_queue *uh, *uh2;
struct umtxq_queue *uh;
struct umtx_q *uq, *uq_temp;
int ret;
@ -649,7 +649,6 @@ umtxq_requeue(struct umtx_key *key, int n_wake, struct umtx_key *key2,
UMTXQ_LOCKED_ASSERT(umtxq_getchain(key));
UMTXQ_LOCKED_ASSERT(umtxq_getchain(key2));
uh = umtxq_queue_lookup(key, UMTX_SHARED_QUEUE);
uh2 = umtxq_queue_lookup(key2, UMTX_SHARED_QUEUE);
if (uh == NULL)
return (0);
TAILQ_FOREACH_SAFE(uq, &uh->head, uq_link, uq_temp) {