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path: root/drivers/s390/scsi/zfcp_cfdc.c
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Diffstat (limited to 'drivers/s390/scsi/zfcp_cfdc.c')
-rw-r--r--drivers/s390/scsi/zfcp_cfdc.c12
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;