3.2-stable review patch. If anyone has any objections, please let me know.
------------------
From: Oleg Nesterov <oleg@xxxxxxxxxx>
commit b3449922502f5a161ee2b5022a33aec8472fbf18 upstream.
Preparation. Add the new trivial helper, umh_complete(). Currently it
simply does complete(sub_info->complete).
Signed-off-by: Oleg Nesterov <oleg@xxxxxxxxxx>
Cc: Tetsuo Handa <penguin-kernel@xxxxxxxxxxxxxxxxxxx>
Cc: Rusty Russell <rusty@xxxxxxxxxxxxxxx>
Cc: Tejun Heo <tj@xxxxxxxxxx>
Cc: David Rientjes <rientjes@xxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
Signed-off-by: Linus Torvalds <torvalds@xxxxxxxxxxxxxxxxxxxx>
Signed-off-by: Ben Hutchings <ben@xxxxxxxxxxxxxxx>
---
kernel/kmod.c | 9 +++++++--
1 file changed, 7 insertions(+), 2 deletions(-)
--- a/kernel/kmod.c
+++ b/kernel/kmod.c
@@ -197,6 +197,11 @@ void call_usermodehelper_freeinfo(struct
}
EXPORT_SYMBOL(call_usermodehelper_freeinfo);
+static void umh_complete(struct subprocess_info *sub_info)
+{
+ complete(sub_info->complete);
+}
+
/* Keventd can't block, but this (a child) can. */
static int wait_for_helper(void *data)
{
@@ -233,7 +238,7 @@ static int wait_for_helper(void *data)
sub_info->retval = ret;
}
- complete(sub_info->complete);
+ umh_complete(sub_info);
return 0;
}
@@ -267,7 +272,7 @@ static void __call_usermodehelper(struct
case UMH_WAIT_EXEC:
if (pid < 0)
sub_info->retval = pid;
- complete(sub_info->complete);
+ umh_complete(sub_info);
}
}
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