diff options
| author | Tony LIU <junjie.liu@freescale.com> | 2012-07-20 10:11:06 +0800 |
|---|---|---|
| committer | Leonard Crestez <leonard.crestez@nxp.com> | 2018-08-24 12:20:42 +0300 |
| commit | f54aa852ba4249a502d2bee43c42ed7b8accadc0 (patch) | |
| tree | f28213acbf76d3742e46212ec2594412a645c71b /drivers/usb/gadget | |
| parent | 86096e1134ee8e973866044971f7e47d7beaa10a (diff) | |
MLK-11483-2 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/gadget')
| -rw-r--r-- | drivers/usb/gadget/function/fsl_updater.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/usb/gadget/function/fsl_updater.c b/drivers/usb/gadget/function/fsl_updater.c index 8b2b53515fbf..32415d5a009c 100644 --- a/drivers/usb/gadget/function/fsl_updater.c +++ b/drivers/usb/gadget/function/fsl_updater.c @@ -70,9 +70,11 @@ 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; } |