The patch titled
Subject: ipc/shm: properly return EIDRM in shm_lock()
has been removed from the -mm tree. Its filename was
ipc-shm-properly-return-eidrm-in-shm_lock.patch
This patch was dropped because it was merged into mainline or a subsystem tree
------------------------------------------------------
From: Davidlohr Bueso <dbueso@xxxxxxx>
Subject: ipc/shm: properly return EIDRM in shm_lock()
When getting rid of the general ipc_lock(), this was missed furthermore,
making the comment around the ipc object validity check bogus. Under
EIDRM conditions, callers will in turn not see the error and continue with
the operation.
Link: http://lkml.kernel.org/r/20180824030920.GD3677@linux-r8p5
Link: http://lkml.kernel.org/r/20180823024051.GC13343@shao2-debian
Fixes: 82061c57ce9 ("ipc: drop ipc_lock()")
Signed-off-by: Davidlohr Bueso <dbueso@xxxxxxx>
Reported-by: kernel test robot <rong.a.chen@xxxxxxxxx>
Cc: Manfred Spraul <manfred@xxxxxxxxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
ipc/shm.c | 1 +
1 file changed, 1 insertion(+)
--- a/ipc/shm.c~ipc-shm-properly-return-eidrm-in-shm_lock
+++ a/ipc/shm.c
@@ -199,6 +199,7 @@ static inline struct shmid_kernel *shm_l
}
ipc_unlock_object(ipcp);
+ ipcp = ERR_PTR(-EIDRM);
err:
rcu_read_unlock();
/*
_
Patches currently in -mm which might be from dbueso@xxxxxxx are
