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| author | Ralf Baechle <ralf@linux-mips.org> | 2005-04-13 20:18:04 +0200 |
|---|---|---|
| committer | Ralf Baechle <ralf@linux-mips.org> | 2005-10-29 20:31:06 +0200 |
| commit | 1fcf1cc742d01f786cda619fd49450b77b09e8c5 (patch) | |
| tree | 0ae42177bac0a65a0b71c9c66d2591ef32215f21 /arch | |
| parent | NPTL, round one. (diff) | |
| download | linux-1fcf1cc742d01f786cda619fd49450b77b09e8c5.tar.xz linux-1fcf1cc742d01f786cda619fd49450b77b09e8c5.zip | |
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: Ralf Baechle <ralf@linux-mips.org>
Diffstat (limited to 'arch')
| -rw-r--r-- | arch/mips/kernel/signal32.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/arch/mips/kernel/signal32.c b/arch/mips/kernel/signal32.c index e8c380dceb86..5e7d0fa02672 100644 --- a/arch/mips/kernel/signal32.c +++ b/arch/mips/kernel/signal32.c @@ -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 ... |