diff options
| author |   Jiri Pirko <jiri@mellanox.com> | 2019-10-04 11:50:12 +0200 |
|---|---|---|
| committer |   David S. Miller <davem@davemloft.net> | 2019-10-04 15:15:20 -0700 |
| commit | c62c2cfb801b6c890641ed6c91ec9e5c7ad8e2f3 (patch) | |
| tree | aa87c3dc3b79feb724eb46ca481894d69a066a71 /net/core/devlink.c | |
| parent | net: dsa: sja1105: Add support for port mirroring (diff) | |
| download | linux-dev-c62c2cfb801b6c890641ed6c91ec9e5c7ad8e2f3.tar.xz linux-dev-c62c2cfb801b6c890641ed6c91ec9e5c7ad8e2f3.zip | |
net: devlink: don't ignore errors during dumpit
Currently, some dumpit function may end-up with error which is not
-EMSGSIZE and this error is silently ignored. Use does not have clue
that something wrong happened. Instead of silent ignore, propagate
the error to user.
Suggested-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: Jiri Pirko <jiri@mellanox.com>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Acked-by: Jakub Kicinski <jakub.kicinski@netronome.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/core/devlink.c')
| -rw-r--r-- | net/core/devlink.c | 30 |
1 files changed, 24 insertions, 6 deletions
diff --git a/net/core/devlink.c b/net/core/devlink.c index c4d8c4ab0fb5..6d16908f34b0 100644 --- a/net/core/devlink.c +++ b/net/core/devlink.c @@ -1044,7 +1044,7 @@ static int devlink_nl_cmd_sb_pool_get_dumpit(struct sk_buff *msg, struct devlink_sb *devlink_sb; int start = cb->args[0]; int idx = 0; - int err; + int err = 0; mutex_lock(&devlink_mutex); list_for_each_entry(devlink, &devlink_list, list) { @@ -1067,6 +1067,9 @@ static int devlink_nl_cmd_sb_pool_get_dumpit(struct sk_buff *msg, out: mutex_unlock(&devlink_mutex); + if (err != -EMSGSIZE) + return err; + cb->args[0] = idx; return msg->len; } @@ -1242,7 +1245,7 @@ static int devlink_nl_cmd_sb_port_pool_get_dumpit(struct sk_buff *msg, struct devlink_sb *devlink_sb; int start = cb->args[0]; int idx = 0; - int err; + int err = 0; mutex_lock(&devlink_mutex); list_for_each_entry(devlink, &devlink_list, list) { @@ -1265,6 +1268,9 @@ static int devlink_nl_cmd_sb_port_pool_get_dumpit(struct sk_buff *msg, out: mutex_unlock(&devlink_mutex); + if (err != -EMSGSIZE) + return err; + cb->args[0] = idx; return msg->len; } @@ -1469,7 +1475,7 @@ devlink_nl_cmd_sb_tc_pool_bind_get_dumpit(struct sk_buff *msg, struct devlink_sb *devlink_sb; int start = cb->args[0]; int idx = 0; - int err; + int err = 0; mutex_lock(&devlink_mutex); list_for_each_entry(devlink, &devlink_list, list) { @@ -1494,6 +1500,9 @@ devlink_nl_cmd_sb_tc_pool_bind_get_dumpit(struct sk_buff *msg, out: mutex_unlock(&devlink_mutex); + if (err != -EMSGSIZE) + return err; + cb->args[0] = idx; return msg->len; } @@ -3257,7 +3266,7 @@ static int devlink_nl_cmd_param_get_dumpit(struct sk_buff *msg, struct devlink *devlink; int start = cb->args[0]; int idx = 0; - int err; + int err = 0; mutex_lock(&devlink_mutex); list_for_each_entry(devlink, &devlink_list, list) { @@ -3285,6 +3294,9 @@ static int devlink_nl_cmd_param_get_dumpit(struct sk_buff *msg, out: mutex_unlock(&devlink_mutex); + if (err != -EMSGSIZE) + return err; + cb->args[0] = idx; return msg->len; } @@ -3513,7 +3525,7 @@ static int devlink_nl_cmd_port_param_get_dumpit(struct sk_buff *msg, struct devlink *devlink; int start = cb->args[0]; int idx = 0; - int err; + int err = 0; mutex_lock(&devlink_mutex); list_for_each_entry(devlink, &devlink_list, list) { @@ -3546,6 +3558,9 @@ static int devlink_nl_cmd_port_param_get_dumpit(struct sk_buff *msg, out: mutex_unlock(&devlink_mutex); + if (err != -EMSGSIZE) + return err; + cb->args[0] = idx; return msg->len; } @@ -4168,7 +4183,7 @@ static int devlink_nl_cmd_info_get_dumpit(struct sk_buff *msg, struct devlink *devlink; int start = cb->args[0]; int idx = 0; - int err; + int err = 0; mutex_lock(&devlink_mutex); list_for_each_entry(devlink, &devlink_list, list) { @@ -4196,6 +4211,9 @@ static int devlink_nl_cmd_info_get_dumpit(struct sk_buff *msg, } mutex_unlock(&devlink_mutex); + if (err != -EMSGSIZE) + return err; + cb->args[0] = idx; return msg->len; } |