From 7399b886b55ef7b489a1bd3939451fcf1792941d Mon Sep 17 00:00:00 2001 From: Jakub Kicinski Date: Thu, 23 Feb 2023 18:13:01 -0800 Subject: nbd: use the structured req attr check Use the macro for checking presence of required attributes. It has the advantage of reporting to the user which attr was missing in a machine-readable format (extack). Reviewed-by: Josef Bacik Signed-off-by: Jakub Kicinski Reviewed-by: Chaitanya Kulkarni Link: https://lore.kernel.org/r/20230224021301.1630703-2-kuba@kernel.org Signed-off-by: Jens Axboe --- drivers/block/nbd.c | 8 ++++---- 1 file changed, 4 insertions(+), 4 deletions(-) (limited to 'drivers') diff --git a/drivers/block/nbd.c b/drivers/block/nbd.c index 53e4bb754fd9..c0b1611b9665 100644 --- a/drivers/block/nbd.c +++ b/drivers/block/nbd.c @@ -1934,11 +1934,11 @@ static int nbd_genl_connect(struct sk_buff *skb, struct genl_info *info) return -EINVAL; } } - if (!info->attrs[NBD_ATTR_SOCKETS]) { + if (GENL_REQ_ATTR_CHECK(info, NBD_ATTR_SOCKETS)) { pr_err("must specify at least one socket\n"); return -EINVAL; } - if (!info->attrs[NBD_ATTR_SIZE_BYTES]) { + if (GENL_REQ_ATTR_CHECK(info, NBD_ATTR_SIZE_BYTES)) { pr_err("must specify a size in bytes for the device\n"); return -EINVAL; } @@ -2123,7 +2123,7 @@ static int nbd_genl_disconnect(struct sk_buff *skb, struct genl_info *info) if (!netlink_capable(skb, CAP_SYS_ADMIN)) return -EPERM; - if (!info->attrs[NBD_ATTR_INDEX]) { + if (GENL_REQ_ATTR_CHECK(info, NBD_ATTR_INDEX)) { pr_err("must specify an index to disconnect\n"); return -EINVAL; } @@ -2161,7 +2161,7 @@ static int nbd_genl_reconfigure(struct sk_buff *skb, struct genl_info *info) if (!netlink_capable(skb, CAP_SYS_ADMIN)) return -EPERM; - if (!info->attrs[NBD_ATTR_INDEX]) { + if (GENL_REQ_ATTR_CHECK(info, NBD_ATTR_INDEX)) { pr_err("must specify a device to reconfigure\n"); return -EINVAL; } -- cgit v1.2.3