diff options
| author | Tony LIU <junjie.liu@freescale.com> | 2012-07-20 10:11:06 +0800 |
|---|---|---|
| committer | Terry Lv <r65388@freescale.com> | 2012-07-25 13:11:30 +0800 |
| commit | 6af0601e9a7974dd3ce3d5a5b38f7711a1cf0498 (patch) | |
| tree | e7c67608e558500c5fa9bb7403104617501450aa /drivers/usb | |
| parent | 2121d647a84064e9a7fb74b65a6921331664b222 (diff) | |
ENGR00217717 mfgtool firmware will crash during mfgtool running
- the root cause of this issue is there is no protection for
the resource which will be accessed by multiple thread
Signed-off-by: Tony LIU <junjie.liu@freescale.com>
Diffstat (limited to 'drivers/usb')
| -rw-r--r-- | drivers/usb/gadget/fsl_updater.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/drivers/usb/gadget/fsl_updater.c b/drivers/usb/gadget/fsl_updater.c index 01b35f31cba7..39175d6d4c48 100644 --- a/drivers/usb/gadget/fsl_updater.c +++ b/drivers/usb/gadget/fsl_updater.c @@ -1,7 +1,7 @@ /* * Freescale UUT driver * - * Copyright 2008-2011 Freescale Semiconductor, Inc. + * Copyright 2008-2012 Freescale Semiconductor, Inc. * Copyright 2008-2009 Embedded Alley Solutions, Inc All Rights Reserved. */ @@ -71,9 +71,11 @@ static u32 count_list(struct list_head *l) u32 count = 0; struct list_head *tmp; + mutex_lock(&utp_context.lock); list_for_each(tmp, l) { count++; } + mutex_unlock(&utp_context.lock); return count; } |