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authorRusty Russell <rusty@rustcorp.com.au>2008-05-09 16:25:28 +1000
committerLinus Torvalds <torvalds@linux-foundation.org>2008-05-09 07:45:18 -0700
commit91e37a793b5a9436a2d12b2f0a8f52db3a133e1d (patch)
tree6ddf17ad786fa2a42ef79aa4f7873c79c1e17a89 /init/Kconfig
parenta5dd69707424a35d2d2cc094e870f595ad61e916 (diff)
downloadop-kernel-dev-91e37a793b5a9436a2d12b2f0a8f52db3a133e1d.zip
op-kernel-dev-91e37a793b5a9436a2d12b2f0a8f52db3a133e1d.tar.gz
module: don't ignore vermagic string if module doesn't have modversions
Linus found a logic bug: we ignore the version number in a module's vermagic string if we have CONFIG_MODVERSIONS set, but modversions also lets through a module with no __versions section for modprobe --force (with tainting, but still). We should only ignore the start of the vermagic string if the module actually *has* crcs to check. Rather than (say) having an entertaining hissy fit and creating a config option to work around the buggy code. Signed-off-by: Rusty Russell <rusty@rustcorp.com.au> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'init/Kconfig')
-rw-r--r--init/Kconfig6
1 files changed, 3 insertions, 3 deletions
diff --git a/init/Kconfig b/init/Kconfig
index 3b5adbf..6135d07 100644
--- a/init/Kconfig
+++ b/init/Kconfig
@@ -845,9 +845,9 @@ config MODULE_FORCE_LOAD
depends on MODULES
default n
help
- This option allows loading of modules even if that would set the
- 'F' (forced) taint, due to lack of version info. Which is
- usually a really bad idea.
+ Allow loading of modules without version information (ie. modprobe
+ --force). Forced module loading sets the 'F' (forced) taint flag and
+ is usually a really bad idea.
config MODULE_UNLOAD
bool "Module unloading"
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