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| author | Thomas Gleixner <tglx@linutronix.de> | 2015-06-05 22:25:01 +0200 |
|---|---|---|
| committer | Thomas Gleixner <tglx@linutronix.de> | 2015-06-05 22:25:01 +0200 |
| commit | 9f61f62544747db5d5c590bfae9dd19f1337e421 (patch) | |
| tree | 74772cccd14e7ab6d01a3452d4030cd7f8e58ccb /drivers/usb/chipidea/debug.c | |
| parent | de8d1810fda5463ee60ba2937ca68e55a52bd9e7 (diff) | |
| parent | 086e8ddb567951513a5dace21a09297768aee14f (diff) | |
| download | linux-9f61f62544747db5d5c590bfae9dd19f1337e421.tar.bz2 | |
Merge branch 'linus' into irq/core
Get the urgent fixes from upstream to avoid conflicts.
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; |