diff options
| author | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2015-05-18 15:33:09 -0700 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2015-05-18 15:33:09 -0700 |
| commit | 909eacd748b3c8d15e6a239aa67f7828885d798e (patch) | |
| tree | 87f88e6c53800a3f9b8cc0867845cf116c7416fe /drivers/usb/chipidea/debug.c | |
| parent | aa519be34f45954f33a6c20430deac8e544a180f (diff) | |
| parent | e26081808edadfd257c6c9d81014e3b25e9a6118 (diff) | |
| download | talos-obmc-linux-909eacd748b3c8d15e6a239aa67f7828885d798e.tar.gz talos-obmc-linux-909eacd748b3c8d15e6a239aa67f7828885d798e.zip | |
Merge 4.1-rc4 into usb-next
We want the fixes in here as well.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/usb/chipidea/debug.c')
| -rw-r--r-- | drivers/usb/chipidea/debug.c | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/drivers/usb/chipidea/debug.c b/drivers/usb/chipidea/debug.c index dfb05edcdb96..5b7061a33103 100644 --- a/drivers/usb/chipidea/debug.c +++ b/drivers/usb/chipidea/debug.c @@ -88,9 +88,13 @@ static ssize_t ci_port_test_write(struct file *file, const char __user *ubuf, char buf[32]; int ret; - if (copy_from_user(buf, ubuf, min_t(size_t, sizeof(buf) - 1, count))) + count = min_t(size_t, sizeof(buf) - 1, count); + if (copy_from_user(buf, ubuf, count)) return -EFAULT; + /* sscanf requires a zero terminated string */ + buf[count] = '\0'; + if (sscanf(buf, "%u", &mode) != 1) return -EINVAL; |
