diff options
| -rw-r--r-- | drivers/scsi/ufs/ufshcd.c | 8 |
1 files changed, 5 insertions, 3 deletions
diff --git a/drivers/scsi/ufs/ufshcd.c b/drivers/scsi/ufs/ufshcd.c index 40d371f6e147..5829b25f5999 100644 --- a/drivers/scsi/ufs/ufshcd.c +++ b/drivers/scsi/ufs/ufshcd.c @@ -3426,9 +3426,11 @@ int ufshcd_read_desc_param(struct ufs_hba *hba, if (is_kmalloc) { /* Make sure we don't copy more data than available */ - if (param_offset + param_size > buff_len) - param_size = buff_len - param_offset; - memcpy(param_read_buf, &desc_buf[param_offset], param_size); + if (param_offset >= buff_len) + ret = -EINVAL; + else + memcpy(param_read_buf, &desc_buf[param_offset], + min_t(u32, param_size, buff_len - param_offset)); } out: if (is_kmalloc) |