linux-2.6.20 setjmp/longjmp OR how to contain bus-error for non-existing PCI device during PCI device scan?

[<KokHow.Teh@infineon.com>]

Hi;
   I am using linux-2.6.20 on MIPS24KE and I need to know what is the best way 
to contain bus error during PCI bus scan process for non-existing device? I 
thought of setjmp/longjmp but unfortunately, I have `googled` and `find` the 
whole kernel source tree there is no such support in the kernel for MIPS 
architecture. Any insight is appreciated.
 
Regards,
Kok How