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rdma: Introduce command execution helper with required device name

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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 <leonro@mellanox.com>
Reviewed-by: Steve Wise <swise@opengridcomputing.com>
Signed-off-by: David Ahern <dsahern@gmail.com>
This commit is contained in:
Leon Romanovsky 2018-10-31 09:17:56 +02:00 committed by David Ahern
parent 3fb00075d9
commit a14ceed325
2 changed files with 11 additions and 0 deletions
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1
rdma/rdma.h
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@ -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);

10
rdma/utils.c
View File

@ -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;