[RFC PATCH iproute2-next 2/3] rdma: Introduce command execution helper with required device name
From: Leon Romanovsky <leon@kernel.org>
Date: 2018-09-20 17:05:44
Also in:
linux-rdma
Subsystem:
the rest · Maintainer:
Linus Torvalds
From: Leon Romanovsky <redacted> In contradiction to various show commands, the set command explicitly requires to use device name as an argument. Provide new command execution helper which enforces it. Signed-off-by: Leon Romanovsky <redacted> --- rdma/rdma.h | 1 + rdma/utils.c | 10 ++++++++++ 2 files changed, 11 insertions(+)
diff --git a/rdma/rdma.h b/rdma/rdma.h
index d4b7ba19..dde9e128 100644
--- a/rdma/rdma.h
+++ b/rdma/rdma.h@@ -90,6 +90,7 @@ int cmd_link(struct rd *rd); int cmd_res(struct rd *rd); int rd_exec_cmd(struct rd *rd, const struct rd_cmd *c, const char *str); int rd_exec_dev(struct rd *rd, int (*cb)(struct rd *rd)); +int rd_exec_require_dev(struct rd *rd, int (*cb)(struct rd *rd)); int rd_exec_link(struct rd *rd, int (*cb)(struct rd *rd), bool strict_port); void rd_free(struct rd *rd); int rd_set_arg_to_devname(struct rd *rd);
diff --git a/rdma/utils.c b/rdma/utils.c
index 4840bf22..61f4aeb1 100644
--- a/rdma/utils.c
+++ b/rdma/utils.c@@ -577,6 +577,16 @@ out: return ret; } +int rd_exec_require_dev(struct rd *rd, int (*cb)(struct rd *rd)) +{ + if (rd_no_arg(rd)) { + pr_err("Please provide device name.\n"); + return -EINVAL; + } + + return rd_exec_dev(rd, cb); +} + int rd_exec_cmd(struct rd *rd, const struct rd_cmd *cmds, const char *str) { const struct rd_cmd *c;