diff options
| -rw-r--r-- | drivers/staging/wilc1000/wilc_debugfs.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/drivers/staging/wilc1000/wilc_debugfs.c b/drivers/staging/wilc1000/wilc_debugfs.c index 74b9fd5ba27b..c328208cda29 100644 --- a/drivers/staging/wilc1000/wilc_debugfs.c +++ b/drivers/staging/wilc1000/wilc_debugfs.c @@ -53,6 +53,9 @@ static ssize_t wilc_debug_level_write(struct file *filp, const char *buf, size_t char buffer[128] = {}; int flag = 0; + if (count > sizeof(buffer)) + return -EINVAL; + if (copy_from_user(buffer, buf, count)) { return -EFAULT; } @@ -99,6 +102,9 @@ static ssize_t wilc_debug_region_write(struct file *filp, const char *buf, size_ char buffer[128] = {}; int flag; + if (count > sizeof(buffer)) + return -EINVAL; + if (copy_from_user(buffer, buf, count)) { return -EFAULT; } |