diff options
Diffstat (limited to 'drivers/scsi/scsi_debug.c')
| -rw-r--r-- | drivers/scsi/scsi_debug.c | 11 |
1 files changed, 3 insertions, 8 deletions
diff --git a/drivers/scsi/scsi_debug.c b/drivers/scsi/scsi_debug.c index 90943857243c..2a8638937d23 100644 --- a/drivers/scsi/scsi_debug.c +++ b/drivers/scsi/scsi_debug.c @@ -1155,14 +1155,9 @@ static ssize_t sdebug_error_write(struct file *file, const char __user *ubuf, struct sdebug_err_inject *inject; struct scsi_device *sdev = (struct scsi_device *)file->f_inode->i_private; - buf = kzalloc(count + 1, GFP_KERNEL); - if (!buf) - return -ENOMEM; - - if (copy_from_user(buf, ubuf, count)) { - kfree(buf); - return -EFAULT; - } + buf = memdup_user_nul(ubuf, count); + if (IS_ERR(buf)) + return PTR_ERR(buf); if (buf[0] == '-') return sdebug_err_remove(sdev, buf, count); |