Messages in this thread | | | Date | Sat, 15 Nov 2008 18:17:25 +0100 | From | Pavel Machek <> | Subject | Re: [STABLE PATCH .26 .27] ACPI: avoid empty file name in sysfs |
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Hi!
> upstream 4feba70a2c1a1a0c96909f657f48b2e11e682370 > > Since commit bc45b1d39a925b56796bebf8a397a0491489d85c acpi tables are > allowed to have an empty signature and /sys/firmware/acpi/tables uses the > signature as filename. Applications using naive recursion through /sys > loop forever. A possible solution would be: (replacing the zero length > filename with the string "NULL")
What about using some string that is not a valid table name? Shorter than 4 characters? AFAICT, 'NULL' table could be added to acpi in future...?
What if *two* tales have empty signature? -- (english) http://www.livejournal.com/~pavelmachek (cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html
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