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Only a small fix for /sys entry

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Merge tag 'usb-ci-v4.1-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/peter.chen/usb into usb-linus

Peter writes:

Only a small fix for /sys entry
This commit is contained in:
Greg Kroah-Hartman 2015-05-09 18:24:44 +02:00
commit 17aeca11ec
1 changed files with 5 additions and 1 deletions
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6
drivers/usb/chipidea/debug.c
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@ -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;