Re: linux-next: build failure after merge of the tip tree

From: jeffy
Date: Wed Jun 28 2017 - 00:01:20 EST


Hi Stephen,

On 06/28/2017 11:43 AM, Stephen Rothwell wrote:
Hi all,

After merging the tip tree, today's linux-next build (x86_64 allmodconfig)
failed like this:

net/bluetooth/hidp/core.c:1241:39: error: unknown type name 'wait_queue_t'
static int hidp_session_wake_function(wait_queue_t *wait,
^
In file included from include/linux/mmzone.h:9:0,
from include/linux/gfp.h:5,
from include/linux/kmod.h:22,
from include/linux/module.h:13,
from net/bluetooth/hidp/core.c:25:
net/bluetooth/hidp/core.c: In function 'hidp_session_thread':
net/bluetooth/hidp/core.c:1259:30: error: 'hidp_session_wake_function' undeclared (first use in this function)
DEFINE_WAIT_FUNC(ctrl_wait, hidp_session_wake_function);
^
include/linux/wait.h:954:12: note: in definition of macro 'DEFINE_WAIT_FUNC'
.func = function, \
^
net/bluetooth/hidp/core.c:1259:30: note: each undeclared identifier is reported only once for each function it appears in
DEFINE_WAIT_FUNC(ctrl_wait, hidp_session_wake_function);
^
include/linux/wait.h:954:12: note: in definition of macro 'DEFINE_WAIT_FUNC'
.func = function, \
^

Caused by commit

ac6424b981bc ("sched/wait: Rename wait_queue_t => wait_queue_entry_t")

interacting with commit

5da8e47d849d ("Bluetooth: hidp: fix possible might sleep error in hidp_session_thread")

from the bluetooth tree. I should have fixed this up in the merge, sorry.
I added the following merge fix for today.

From: Stephen Rothwell <sfr@xxxxxxxxxxxxxxxx>
Date: Wed, 28 Jun 2017 13:36:04 +1000
Subject: [PATCH] Bluetooth: hidp: fix for "sched/wait: Rename wait_queue_t =>
wait_queue_entry_t"

Signed-off-by: Stephen Rothwell <sfr@xxxxxxxxxxxxxxxx>
---
net/bluetooth/hidp/core.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/net/bluetooth/hidp/core.c b/net/bluetooth/hidp/core.c
index 472b3907b1b0..002743ea509c 100644
--- a/net/bluetooth/hidp/core.c
+++ b/net/bluetooth/hidp/core.c
@@ -1238,7 +1238,7 @@ static void hidp_session_run(struct hidp_session *session)
smp_mb__after_atomic();
}

-static int hidp_session_wake_function(wait_queue_t *wait,
+static int hidp_session_wake_function(wait_queue_entry_t *wait,

thanx for fixing this. and i saw

commit 50816c48997af857d4bab3dca1aba90339705e96
Author: Ingo Molnar <mingo@xxxxxxxxxx>
Date: Sun Mar 5 10:33:16 2017 +0100

sched/wait: Standardize internal naming of wait-queue entries


changed wait_queue_entry_t to struct wait_queue_entry, and also wait to wq_entry, maybe we should do it too?

unsigned int mode,
int sync, void *key)
{