diff options
| author | Eric W. Biederman <ebiederm@xmission.com> | 2009-11-06 01:34:02 +0300 |
|---|---|---|
| committer | Eric W. Biederman <ebiederm@xmission.com> | 2009-11-12 13:04:58 +0300 |
| commit | 894d2491153a9f8270dbed21175d06fde4eba6c7 (patch) | |
| tree | e49698028c4a953f4b31363a0225c7fab28cffc0 /drivers/char/random.c | |
| parent | c2a86a67fadd9dddc58f55ce6323c04dde59ebed (diff) | |
| download | linux-894d2491153a9f8270dbed21175d06fde4eba6c7.tar.xz | |
sysctl drivers: Remove dead binary sysctl support
Now that sys_sysctl is a wrapper around /proc/sys all of
the binary sysctl support elsewhere in the tree is
dead code.
Cc: Jens Axboe <axboe@kernel.dk>
Cc: Corey Minyard <minyard@acm.org>
Cc: Greg Kroah-Hartman <gregkh@suse.de>
Cc: Matt Mackall <mpm@selenic.com>
Cc: Herbert Xu <herbert@gondor.apana.org.au>
Cc: Neil Brown <neilb@suse.de>
Cc: "James E.J. Bottomley" <James.Bottomley@suse.de>
Acked-by: Clemens Ladisch <clemens@ladisch.de> for drivers/char/hpet.c
Signed-off-by: Eric W. Biederman <ebiederm@xmission.com>
Diffstat (limited to 'drivers/char/random.c')
| -rw-r--r-- | drivers/char/random.c | 42 |
1 files changed, 1 insertions, 41 deletions
diff --git a/drivers/char/random.c b/drivers/char/random.c index 04b505e5a5e2..bcf680f9ff58 100644 --- a/drivers/char/random.c +++ b/drivers/char/random.c @@ -1257,40 +1257,9 @@ static int proc_do_uuid(ctl_table *table, int write, return proc_dostring(&fake_table, write, buffer, lenp, ppos); } -static int uuid_strategy(ctl_table *table, - void __user *oldval, size_t __user *oldlenp, - void __user *newval, size_t newlen) -{ - unsigned char tmp_uuid[16], *uuid; - unsigned int len; - - if (!oldval || !oldlenp) - return 1; - - uuid = table->data; - if (!uuid) { - uuid = tmp_uuid; - uuid[8] = 0; - } - if (uuid[8] == 0) - generate_random_uuid(uuid); - - if (get_user(len, oldlenp)) - return -EFAULT; - if (len) { - if (len > 16) - len = 16; - if (copy_to_user(oldval, uuid, len) || - put_user(len, oldlenp)) - return -EFAULT; - } - return 1; -} - static int sysctl_poolsize = INPUT_POOL_WORDS * 32; ctl_table random_table[] = { { - .ctl_name = RANDOM_POOLSIZE, .procname = "poolsize", .data = &sysctl_poolsize, .maxlen = sizeof(int), @@ -1298,7 +1267,6 @@ ctl_table random_table[] = { .proc_handler = &proc_dointvec, }, { - .ctl_name = RANDOM_ENTROPY_COUNT, .procname = "entropy_avail", .maxlen = sizeof(int), .mode = 0444, @@ -1306,45 +1274,37 @@ ctl_table random_table[] = { .data = &input_pool.entropy_count, }, { - .ctl_name = RANDOM_READ_THRESH, .procname = "read_wakeup_threshold", .data = &random_read_wakeup_thresh, .maxlen = sizeof(int), .mode = 0644, .proc_handler = &proc_dointvec_minmax, - .strategy = &sysctl_intvec, .extra1 = &min_read_thresh, .extra2 = &max_read_thresh, }, { - .ctl_name = RANDOM_WRITE_THRESH, .procname = "write_wakeup_threshold", .data = &random_write_wakeup_thresh, .maxlen = sizeof(int), .mode = 0644, .proc_handler = &proc_dointvec_minmax, - .strategy = &sysctl_intvec, .extra1 = &min_write_thresh, .extra2 = &max_write_thresh, }, { - .ctl_name = RANDOM_BOOT_ID, .procname = "boot_id", .data = &sysctl_bootid, .maxlen = 16, .mode = 0444, .proc_handler = &proc_do_uuid, - .strategy = &uuid_strategy, }, { - .ctl_name = RANDOM_UUID, .procname = "uuid", .maxlen = 16, .mode = 0444, .proc_handler = &proc_do_uuid, - .strategy = &uuid_strategy, }, - { .ctl_name = 0 } + { } }; #endif /* CONFIG_SYSCTL */ |