From: Duncan Sands <[EMAIL PROTECTED]>
If usbatm_do_heavy_init finishes before usbatm_heavy_init
writes the pid, the disconnect method could shoot down the
wrong process if the pid has been recycled.
Signed-off-by: Duncan Sands <[EMAIL PROTECTED]>
Signed-off-by: Greg Kroah-Hartman <[EMAIL PROTECTED]>
---
drivers/usb/atm/usbatm.c | 5 +----
1 files changed, 1 insertions(+), 4 deletions(-)
diff --git a/drivers/usb/atm/usbatm.c b/drivers/usb/atm/usbatm.c
index 309073f..ab091fa 100644
--- a/drivers/usb/atm/usbatm.c
+++ b/drivers/usb/atm/usbatm.c
@@ -1001,6 +1001,7 @@ static int usbatm_do_heavy_init(void *ar
daemonize(instance->driver->driver_name);
allow_signal(SIGTERM);
+ instance->thread_pid = get_current()->pid;
complete(&instance->thread_started);
@@ -1025,10 +1026,6 @@ static int usbatm_heavy_init(struct usba
return ret;
}
- mutex_lock(&instance->serialize);
- instance->thread_pid = ret;
- mutex_unlock(&instance->serialize);
-
wait_for_completion(&instance->thread_started);
return 0;
--
1.4.2.4
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