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bpf: constify member bpf_sysctl_kern:: Table

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The sysctl core is preparing to only expose instances of struct ctl_table
as "const". This will also affect the ctl_table argument of sysctl handlers,
for which bpf_sysctl_kern::table is also used.

As the function prototype of all sysctl handlers throughout the tree
needs to stay consistent that change will be done in one commit.

To reduce the size of that final commit, switch this utility type which
is not bound by "typedef proc_handler" to "const struct ctl_table".

No functional change.

Signed-off-by: Thomas Weißschuh <linux@weissschuh.net>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Reviewed-by: Joel Granados <j.granados@samsung.com>
Link: https://lore.kernel.org/bpf/20240518-sysctl-const-handler-bpf-v1-1-f0d7186743c1@weissschuh.net
This commit is contained in:
Thomas Weißschuh 2024-05-18 16:58:47 +02:00 committed by Daniel Borkmann
parent 99fa63d9ca
commit 2c1713a8f1
1 changed files with 1 additions and 1 deletions
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2
include/linux/filter.h
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@ -1406,7 +1406,7 @@ struct bpf_sock_ops_kern {
struct bpf_sysctl_kern {
struct ctl_table_header *head;
struct ctl_table *table;
const struct ctl_table *table;
void *cur_val;
size_t cur_len;
void *new_val;