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Commit 1fcf1cc7 authored by Ralf Baechle's avatar Ralf Baechle
Browse files

We pass a kernel pointer to do_sigaltstack in sys32_sigaltstack, so 


we need to do the set_fs(KERNEL_DS) thing around this call.

Signed-off-by: default avatarRalf Baechle <ralf@linux-mips.org>
parent 3c37026d

arch/mips/kernel/signal32.c

+4 −0
Original line number Diff line number Diff line
@@ -488,6 +488,7 @@ __attribute_used__ noinline static void 
_sys32_rt_sigreturn(nabi_no_regargs struct pt_regs regs)

{

	struct rt_sigframe32 *frame;

	mm_segment_t old_fs;

	sigset_t set;

	stack_t st;

	s32 sp;
@@ -518,7 +519,10 @@ _sys32_rt_sigreturn(nabi_no_regargs struct pt_regs regs) 


	/* It is more difficult to avoid calling this function than to

	   call it and ignore errors.  */

	old_fs = get_fs();

	set_fs (KERNEL_DS);

	do_sigaltstack(&st, NULL, regs.regs[29]);

	set_fs (old_fs);



	/*

	 * Don't let your children do this ...