diff options
| -rw-r--r-- | drivers/target/target_core_user.c | 16 |
1 files changed, 7 insertions, 9 deletions
diff --git a/drivers/target/target_core_user.c b/drivers/target/target_core_user.c index 40b29ca5a98d..9dbd0db64328 100644 --- a/drivers/target/target_core_user.c +++ b/drivers/target/target_core_user.c @@ -1836,20 +1836,18 @@ static int tcmu_update_uio_info(struct tcmu_dev *udev) { struct tcmu_hba *hba = udev->hba->hba_ptr; struct uio_info *info; - size_t size, used; char *str; info = &udev->uio_info; - size = snprintf(NULL, 0, "tcm-user/%u/%s/%s", hba->host_id, udev->name, - udev->dev_config); - size += 1; /* for \0 */ - str = kmalloc(size, GFP_KERNEL); - if (!str) - return -ENOMEM; - used = snprintf(str, size, "tcm-user/%u/%s", hba->host_id, udev->name); if (udev->dev_config[0]) - snprintf(str + used, size - used, "/%s", udev->dev_config); + str = kasprintf(GFP_KERNEL, "tcm-user/%u/%s/%s", hba->host_id, + udev->name, udev->dev_config); + else + str = kasprintf(GFP_KERNEL, "tcm-user/%u/%s", hba->host_id, + udev->name); + if (!str) + return -ENOMEM; /* If the old string exists, free it */ kfree(info->name); |