Subject: [merged] ipc-semc-bugfix-for-semctlgetzcnt.patch removed from -mm tree To: manfred@xxxxxxxxxxxxxxxx,davidlohr.bueso@xxxxxx,mtk.manpages@xxxxxxxxx,mm-commits@xxxxxxxxxxxxxxx From: akpm@xxxxxxxxxxxxxxxxxxxx Date: Mon, 09 Jun 2014 12:37:52 -0700 The patch titled Subject: ipc/sem.c: bugfix for semctl(,,GETZCNT) has been removed from the -mm tree. Its filename was ipc-semc-bugfix-for-semctlgetzcnt.patch This patch was dropped because it was merged into mainline or a subsystem tree ------------------------------------------------------ From: Manfred Spraul <manfred@xxxxxxxxxxxxxxxx> Subject: ipc/sem.c: bugfix for semctl(,,GETZCNT) GETZCNT is supposed to return the number of threads that wait until a semaphore value becomes 0. The current implementation overlooks complex operations that contain both wait-for-zero operation and operations that alter at least one semaphore. The patch fixes that. It's intentionally copy&paste, this will be cleaned up in the next patch. Signed-off-by: Manfred Spraul <manfred@xxxxxxxxxxxxxxxx> Cc: Davidlohr Bueso <davidlohr.bueso@xxxxxx> Cc: Michael Kerrisk <mtk.manpages@xxxxxxxxx> Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx> --- ipc/sem.c | 10 ++++++++++ 1 file changed, 10 insertions(+) diff -puN ipc/sem.c~ipc-semc-bugfix-for-semctlgetzcnt ipc/sem.c --- a/ipc/sem.c~ipc-semc-bugfix-for-semctlgetzcnt +++ a/ipc/sem.c @@ -1047,6 +1047,16 @@ static int count_semzcnt(struct sem_arra && !(sops[i].sem_flg & IPC_NOWAIT)) semzcnt++; } + list_for_each_entry(q, &sma->pending_alter, list) { + struct sembuf *sops = q->sops; + int nsops = q->nsops; + int i; + for (i = 0; i < nsops; i++) + if (sops[i].sem_num == semnum + && (sops[i].sem_op == 0) + && !(sops[i].sem_flg & IPC_NOWAIT)) + semzcnt++; + } return semzcnt; } _ Patches currently in -mm which might be from manfred@xxxxxxxxxxxxxxxx are origin.patch slab-leaks3-default-y.patch -- To unsubscribe from this list: send the line "unsubscribe mm-commits" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html