1 files changed, 3 insertions, 9 deletions

diff --git a/drivers/s390/scsi/zfcp_cfdc.c b/drivers/s390/scsi/zfcp_cfdc.c
index 1a2db0a35737..fcbd2b756da4 100644
--- a/drivers/s390/scsi/zfcp_cfdc.c
+++ b/drivers/s390/scsi/zfcp_cfdc.c
@@ -189,18 +189,12 @@ static long zfcp_cfdc_dev_ioctl(struct file *file, unsigned int command,
         if (!fsf_cfdc)
                 return -ENOMEM;
 
-        data = kmalloc(sizeof(struct zfcp_cfdc_data), GFP_KERNEL);
-        if (!data) {
-                retval = -ENOMEM;
+        data = memdup_user(data_user, sizeof(*data_user));
+        if (IS_ERR(data)) {
+                retval = PTR_ERR(data);
                 goto no_mem_sense;
         }
 
-        retval = copy_from_user(data, data_user, sizeof(*data));
-        if (retval) {
-                retval = -EFAULT;
-                goto free_buffer;
-        }
-
         if (data->signature != 0xCFDCACDF) {
                 retval = -EINVAL;
                 goto free_buffer;