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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-11 08:27:49 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-11 08:27:49 +0000 |
commit | ace9429bb58fd418f0c81d4c2835699bddf6bde6 (patch) | |
tree | b2d64bc10158fdd5497876388cd68142ca374ed3 /net/unix/sysctl_net_unix.c | |
parent | Initial commit. (diff) | |
download | linux-ace9429bb58fd418f0c81d4c2835699bddf6bde6.tar.xz linux-ace9429bb58fd418f0c81d4c2835699bddf6bde6.zip |
Adding upstream version 6.6.15.upstream/6.6.15
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'net/unix/sysctl_net_unix.c')
-rw-r--r-- | net/unix/sysctl_net_unix.c | 61 |
1 files changed, 61 insertions, 0 deletions
diff --git a/net/unix/sysctl_net_unix.c b/net/unix/sysctl_net_unix.c new file mode 100644 index 0000000000..3e84b31c35 --- /dev/null +++ b/net/unix/sysctl_net_unix.c @@ -0,0 +1,61 @@ +// SPDX-License-Identifier: GPL-2.0-or-later +/* + * NET4: Sysctl interface to net af_unix subsystem. + * + * Authors: Mike Shaver. + */ + +#include <linux/mm.h> +#include <linux/slab.h> +#include <linux/sysctl.h> + +#include <net/af_unix.h> + +static struct ctl_table unix_table[] = { + { + .procname = "max_dgram_qlen", + .data = &init_net.unx.sysctl_max_dgram_qlen, + .maxlen = sizeof(int), + .mode = 0644, + .proc_handler = proc_dointvec + }, + { } +}; + +int __net_init unix_sysctl_register(struct net *net) +{ + struct ctl_table *table; + + if (net_eq(net, &init_net)) { + table = unix_table; + } else { + table = kmemdup(unix_table, sizeof(unix_table), GFP_KERNEL); + if (!table) + goto err_alloc; + + table[0].data = &net->unx.sysctl_max_dgram_qlen; + } + + net->unx.ctl = register_net_sysctl_sz(net, "net/unix", table, + ARRAY_SIZE(unix_table)); + if (net->unx.ctl == NULL) + goto err_reg; + + return 0; + +err_reg: + if (!net_eq(net, &init_net)) + kfree(table); +err_alloc: + return -ENOMEM; +} + +void unix_sysctl_unregister(struct net *net) +{ + struct ctl_table *table; + + table = net->unx.ctl->ctl_table_arg; + unregister_net_sysctl_table(net->unx.ctl); + if (!net_eq(net, &init_net)) + kfree(table); +} |