[ 69/89] x86-32: Fix invalid stack address while in softirq

3.2-stable review patch. If anyone has any objections, please let me know. -- From: Robert Richter commit 1022623842cb72ee4d0dbf02f6937f38c92c3f41 upstream. In 32 bit the stack address provided by kernel_stack_pointer() may point to an invalid range causing NULL pointer

[ 69/89] x86-32: Fix invalid stack address while in softirq

3.2-stable review patch. If anyone has any objections, please let me know. -- From: Robert Richter robert.rich...@amd.com commit 1022623842cb72ee4d0dbf02f6937f38c92c3f41 upstream. In 32 bit the stack address provided by kernel_stack_pointer() may point to an invalid range