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We pass a kernel pointer to do_sigaltstack in sys32_sigaltstack, so

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

Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
This commit is contained in:
Ralf Baechle
2005-04-13 18:18:04 +00:00
parent 3c37026d43
commit 1fcf1cc742
1 changed files with 4 additions and 0 deletions
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4
arch/mips/kernel/signal32.c
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@@ -488,6 +488,7 @@ __attribute_used__ noinline static void
_sys32_rt_sigreturn(nabi_no_regargs struct pt_regs regs) _sys32_rt_sigreturn(nabi_no_regargs struct pt_regs regs)
{ {
struct rt_sigframe32 *frame; struct rt_sigframe32 *frame;
mm_segment_t old_fs;
sigset_t set; sigset_t set;
stack_t st; stack_t st;
s32 sp; 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 /* It is more difficult to avoid calling this function than to
call it and ignore errors. */ call it and ignore errors. */
old_fs = get_fs();
set_fs (KERNEL_DS);
do_sigaltstack(&st, NULL, regs.regs[29]); do_sigaltstack(&st, NULL, regs.regs[29]);
set_fs (old_fs);
/* /*
* Don't let your children do this ... * Don't let your children do this ...