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| author |   Alexander Aring <aahringo@redhat.com> | 2021-03-01 17:05:12 -0500 |
|---|---|---|
| committer |   David Teigland <teigland@redhat.com> | 2021-03-09 08:56:42 -0600 |
| commit | 8aa9540b49e0833feba75dbf4f45babadd0ed215 (patch) | |
| tree | 7b078c006dc43714984b6d4bd7424ccda4ae30ec | |
| parent | fs: dlm: set subclass for othercon sock_mutex (diff) | |
| download | linux-dev-8aa9540b49e0833feba75dbf4f45babadd0ed215.tar.xz linux-dev-8aa9540b49e0833feba75dbf4f45babadd0ed215.zip | |
fs: dlm: add errno handling to check callback
This allows to return individual errno values for the config attribute
check callback instead of returning invalid argument only.
Signed-off-by: Alexander Aring <aahringo@redhat.com>
Signed-off-by: David Teigland <teigland@redhat.com>
| -rw-r--r-- | fs/dlm/config.c | 23 |
1 files changed, 16 insertions, 7 deletions
diff --git a/fs/dlm/config.c b/fs/dlm/config.c index 582bffa09a66..8439610c266a 100644 --- a/fs/dlm/config.c +++ b/fs/dlm/config.c @@ -125,7 +125,7 @@ static ssize_t cluster_cluster_name_store(struct config_item *item, CONFIGFS_ATTR(cluster_, cluster_name); static ssize_t cluster_set(struct dlm_cluster *cl, unsigned int *cl_field, - int *info_field, bool (*check_cb)(unsigned int x), + int *info_field, int (*check_cb)(unsigned int x), const char *buf, size_t len) { unsigned int x; @@ -137,8 +137,11 @@ static ssize_t cluster_set(struct dlm_cluster *cl, unsigned int *cl_field, if (rc) return rc; - if (check_cb && check_cb(x)) - return -EINVAL; + if (check_cb) { + rc = check_cb(x); + if (rc) + return rc; + } *cl_field = x; *info_field = x; @@ -161,14 +164,20 @@ static ssize_t cluster_##name##_show(struct config_item *item, char *buf) \ } \ CONFIGFS_ATTR(cluster_, name); -static bool dlm_check_zero(unsigned int x) +static int dlm_check_zero(unsigned int x) { - return !x; + if (!x) + return -EINVAL; + + return 0; } -static bool dlm_check_buffer_size(unsigned int x) +static int dlm_check_buffer_size(unsigned int x) { - return (x < DEFAULT_BUFFER_SIZE); + if (x < DEFAULT_BUFFER_SIZE) + return -EINVAL; + + return 0; } CLUSTER_ATTR(tcp_port, dlm_check_zero); |