Age | Commit message (Collapse) | Author |
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While at it, fix one warning in modprobe-small.c
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
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Was throwing some build errors:
CONFIG_MODPROBE_SMALL=y
CONFIG_DEPMOD=y
CONFIG_LSMOD=y
CONFIG_MODINFO=y
CONFIG_FEATURE_MODPROBE_SMALL_CHECK_ALREADY_LOADED=y
error: unused variable 'exitcode'
modutils/modprobe-small.c: In function 'modprobe_main':
modutils/modprobe-small.c:1060: error: control reaches end of non-void function
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
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(I'm requesting for a review first because I fear such an aggressive
change could lead to bugs. While I observe the sizes have reduced, I
haven't test the functionality of each applet after that. So please
test before merging.)
Aggressively cut off unneeded code when the relevant applets are not
built.
Correct dependencies of FEATURE_MODPROBE_SMALL_OPTIONS_ON_CMDLINE and
FEATURE_MODPROBE_SMALL_CHECK_ALREADY_LOADED.
Don't bother with the '-r' option check if only rmmod is built (assume
true then), or when neither rmmod or mobprobe is built (assume false
then).
Size comparison before and after the change (single applet
configuration):
text data bss dec hex filename
34778 946 112 35836 8bfc old/busybox_DEPMOD
34151 946 112 35209 8989 new/busybox_DEPMOD
34903 946 112 35961 8c79 old/busybox_INSMOD
28316 778 112 29206 7216 new/busybox_INSMOD
35228 962 112 36302 8dce old/busybox_LSMOD
5011 706 40 5757 167d new/busybox_LSMOD
34830 946 112 35888 8c30 old/busybox_MODPROBE
34795 946 112 35853 8c0d new/busybox_MODPROBE
34718 946 112 35776 8bc0 old/busybox_RMMOD
7502 714 104 8320 2080 new/busybox_RMMOD
Signed-off-by: Kang-Che Sung <explorer09@gmail.com>
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
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Commit 3a45b87ac36f (modutils: support finit_module syscall) introduced
macro finit_module. But it is not defined for uClibc.
The compilation for busybox fails for MIPS with:
With uClibc, we get following build errors:
modutils/lib.a(modutils.o): In function `bb_init_module':
modutils.c:(.text.bb_init_module+0x94): undefined reference to `finit_module'
modutils.c:(.text.bb_init_module+0xa0): undefined reference to `finit_module'
We can just use syscall() without any need for the
uClibc wrappers.
Newer versions of uClibc-ng (>1.0.20) will remove the
module syscall wrappers.
Found via Buildroot autobuilders:
http://autobuild.buildroot.net/results/556/55655daef23788fb3967f801ec8b79e9bed7122b/build-end.log
function old new delta
bb_delete_module 26 32 +6
bb_init_module 90 95 +5
delete_module 37 - -37
init_module 53 - -53
------------------------------------------------------------------------------
(add/remove: 0/4 grow/shrink: 2/0 up/down: 11/-90) Total: -79 bytes
Reported-by: Rahul Bedarkar <rahul.bedarkar@imgtec.com>
Signed-off-by: Waldemar Brodkorb <wbx@openadk.org>
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
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Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
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Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
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Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
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On some systems like Chromium OS, loading modules from non-verified
filesystems is denied. Only finit_module is allowed because an open
fd is passed which can be checked against a verified location.
Change the module loading code to first attempt finit_module and if
that fails for whatever reason, fall back to the existing logic.
On x86_64, this adds ~80 bytes to modutils/modutils.o and ~68 bytes
to modutils/modprobe-small.o.
Signed-off-by: Mike Frysinger <vapier@chromium.org>
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
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"modprobe minix; echo $?"
Was:
modprobe: corrupted data
modprobe: read error from 'kernel/fs/minix/minix.ko.xz': No such file or directory
modprobe: corrupted data
modprobe: read error from 'kernel/fs/minix/minix.ko.xz': No such file or directory
modprobe: corrupted data
modprobe: read error from 'kernel/fs/minix/minix.ko.xz'
modprobe: 'kernel/fs/minix/minix.ko.xz': Success
0
Now:
modprobe: corrupted data
modprobe: read error from 'kernel/fs/minix/minix.ko.xz'
1
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
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Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
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function old new delta
is_prefixed_with - 18 +18
complete_username 78 77 -1
man_main 737 735 -2
fsck_device 429 427 -2
unpack_ar_archive 80 76 -4
strip_unsafe_prefix 105 101 -4
singlemount 1054 1050 -4
rtc_adjtime_is_utc 90 86 -4
resolve_mount_spec 88 84 -4
parse_one_line 1029 1025 -4
parse_conf 1460 1456 -4
may_wakeup 83 79 -4
loadkmap_main 219 215 -4
get_irqs_from_stat 103 99 -4
get_header_cpio 913 909 -4
findfs_main 79 75 -4
fbsplash_main 1230 1226 -4
load_crontab 776 771 -5
expand_vars_to_list 1151 1146 -5
date_main 881 876 -5
skip_dev_pfx 30 24 -6
make_device 2199 2193 -6
complete_cmd_dir_file 773 767 -6
run_applet_and_exit 715 708 -7
uudecode_main 321 313 -8
pwdx_main 197 189 -8
execute 568 560 -8
i2cdetect_main 1186 1176 -10
procps_scan 1242 1230 -12
procps_read_smaps 1017 1005 -12
process_module 746 734 -12
patch_main 1903 1891 -12
nfsmount 3572 3560 -12
stack_machine 126 112 -14
process_timer_stats 449 435 -14
match_fstype 111 97 -14
do_ipaddr 1344 1330 -14
open_list_and_close 359 343 -16
get_header_tar 1795 1779 -16
prepend_new_eth_table 340 323 -17
fsck_main 1811 1794 -17
find_iface_state 56 38 -18
dnsd_main 1321 1303 -18
base_device 179 158 -21
find_keyword 104 82 -22
handle_incoming_and_exit 2785 2762 -23
parse_and_put_prompt 774 746 -28
modinfo 347 317 -30
find_action 204 171 -33
update_passwd 1470 1436 -34
------------------------------------------------------------------------------
(add/remove: 1/0 grow/shrink: 0/49 up/down: 18/-540) Total: -522 bytes
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
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Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
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usecase:
two sd cards are being mounted in parallel at same time on dual core. example
modules which are getting loaded is nls_cp437. While one module is being
loaded , it makes state in /proc/modules as 'coming' and then starts doing its
module init function (in our case - registering nls). meanwhile on other core,
if modprobe returns that is has already been loaded, then it will continue
and search for the nls list which is not yet finished from first module init.
This fails resulting in not mounting sd card.
function old new delta
process_module 667 746 +79
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
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"rmmod OUT_OF_TREE_MODULE" was not working, because module is not in depmod file.
In general, rmmod doesn't need scanning, it simply unloads every argv[i].
function old new delta
rmmod - 63 +63
modprobe_main 449 465 +16
process_module 705 667 -38
------------------------------------------------------------------------------
(add/remove: 1/0 grow/shrink: 1/1 up/down: 79/-38) Total: 41 bytes
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
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function old new delta
pathname_matches_modname 80 42 -38
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
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"modprobe -r MODNAME", after it found the full module pathname,
should strip dirpath before trying to remove the module.
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
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function old new delta
process_module 726 719 -7
filename2modname 81 67 -14
------------------------------------------------------------------------------
(add/remove: 0/0 grow/shrink: 0/2 up/down: 0/-21) Total: -21 bytes
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
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Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
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Closes 627 and 7034.
Commonly seen case is (un)loading of an alias
which matches ata_generic and a more specific ata module.
For example:
modprobe [-r] pci:v00008086d00007010sv00000000sd00000000bc01sc01i80
(ata_generic and pata_acpi)
modprobe [-r] pci:v00001106d00000571sv00001509sd00009022bc01sc01i8a
(ata_generic and pata_via)
function old new delta
process_module 615 728 +113
parse_module 309 395 +86
find_alias 621 653 +32
pathname_matches_modname 78 79 +1
------------------------------------------------------------------------------
(add/remove: 0/0 grow/shrink: 4/0 up/down: 232/0) Total: 232 bytes
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
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function old new delta
parse_module 309 395 +86
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
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Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
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Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
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Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
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Signed-off-by: Felipe Contreras <felipe.contreras@gmail.com>
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
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function old new delta
packed_usage 28706 28623 -83
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
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Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
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Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
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Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
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Signed-off-by: Denys Vlasenko <dvlasenk@redhat.com>
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Signed-off-by: Denys Vlasenko <dvlasenk@redhat.com>
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...even if it wasn't found in /lib/modules/VER/
Signed-off-by: Denys Vlasenko <dvlasenk@redhat.com>
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This change retains "or later" state! No licensing _changes_ here,
only form is adjusted (article, space between "GPL" and "v2" and so on).
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
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Fixed some goofs in help text
function old new delta
modprobe_main 494 653 +159
packed_usage 27129 27145 +16
insmod_main 98 95 -3
Signed-off-by: Pascal Bellard <pascal.bellard@ads-lu.com>
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
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text data bss dec hexfilename
838650 8009 0 846659 ceb43busybox_old
838519 8009 0 846528 ceac0busybox_unstripped
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
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function old new delta
xfdopen_helper - 40 +40
logdir_open 1163 1184 +21
process_stdin 433 443 +10
xfdopen_for_write - 9 +9
doCommands 2465 2474 +9
patch_main 1214 1222 +8
bbunpack 457 465 +8
xfdopen_for_read - 7 +7
scan_tree 258 262 +4
xstrtoul_range_sfx 230 231 +1
sendmail_main 957 955 -2
passwd_main 1027 1023 -4
parse 969 964 -5
test_main 253 247 -6
sed_main 655 649 -6
dos2unix_main 437 429 -8
fbsplash_main 950 938 -12
handle_dir_common 371 354 -17
expand_vars_to_list 2197 2169 -28
update_passwd 1275 1246 -29
------------------------------------------------------------------------------
(add/remove: 3/0 grow/shrink: 7/10 up/down: 117/-117) Total: 0 bytes
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
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Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
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together with previous one-liner:
function old new delta
append 70 99 +29
parse_module 295 311 +16
copy_stringbuf 35 36 +1
packed_usage 26545 26540 -5
appendc 27 - -27
------------------------------------------------------------------------------
(add/remove: 0/1 grow/shrink: 3/1 up/down: 46/-32) Total: 14 bytes
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
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Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
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function old new delta
docolon 207 204 -3
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
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function old new delta
logdirs_reopen 1310 1308 -2
read_line_input 4757 4753 -4
------------------------------------------------------------------------------
(add/remove: 0/0 grow/shrink: 0/2 up/down: 0/-6) Total: -6 bytes
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
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By Thierry Reding (thierry.reding AT avionic-design.de)
Signed-off-by: Thierry Reding <thierry.reding@avionic-design.de>
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
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and SKIP_XXXX to IF_NOT_XXXX - the second one was especially
badly named. It was not skipping anything!
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"modutils/rmmod can't remove modules with dash in name on 2.4 kernels"
function old new delta
rmmod_main 187 220 +33
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modutils-24: fix bad interaction of xzalloc with xrealloc_vector; style fixes
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function old new delta
modprobe_main 326 435 +109
moderror - 52 +52
process_module 577 530 -47
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function old new delta
unpack_Z_stream - 1229 +1229
open_zipped - 176 +176
unpack_bz2_stream_prime - 60 +60
tar_main 642 677 +35
find_main 406 418 +12
sv_main 1222 1233 +11
decode_format_string 829 837 +8
cmp_main 641 649 +8
popstring 134 140 +6
filter_accept_list_reassign 120 125 +5
parse_and_put_prompt 800 804 +4
passwd_main 1053 1049 -4
make_new_name_gunzip 119 114 -5
rpm_main 1688 1670 -18
prepare 302 283 -19
xmalloc_open_zipped_read_close 135 61 -74
uncompress 1229 - -1229
------------------------------------------------------------------------------
(add/remove: 3/1 grow/shrink: 8/5 up/down: 1554/-1349) Total: 205 bytes
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