XXX Add a check for p->p_limit being NULL before dereferencing it.  This is totally bogus but will hide the occurances of access of 0xbc(NULL) which people have run into lately.  This is not a proper fix, just a bandaid, until the cause of this happening is tracked down and fixed.
XXX Add a check for p->p_limit being NULL before dereferencing it.  This is
totally bogus but will hide the occurances of access of 0xbc(NULL) which
people have run into lately.  This is not a proper fix, just a bandaid, until
the cause of this happening is tracked down and fixed.

Reviewed by:	rwatson

jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase