Re: copy_from_user() fix

Alan Cox (alan@lxorguk.ukuu.org.uk)
Thu, 27 Aug 1998 16:36:25 +0100 (BST)


> finding where it came from in the gdb backtrace. EFAULT supports the hiding
> of bugs, and SIGSEGV supports the fixing of bugs. There's no excuse for

One comment here. EFAULT is not the only error return. If you are hiding
EFAULT you are hiding disk full and other unsavoury ways of eating your
data.

Reliable programs always check errors from syscalls, even if they cant do
anything about it and its best to continue they should report it

>

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