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tile: compat rt_sigreturn gets too enthusiastic about sigaltstack errors
[firefly-linux-kernel-4.4.55.git]
/
arch
/
tile
/
kernel
/
compat_signal.c
diff --git
a/arch/tile/kernel/compat_signal.c
b/arch/tile/kernel/compat_signal.c
index 210a9bbae96322b8b530b8e3aa2bafafeabbc021..2e4cc69224a6ff83ed5bc0dbe8e4544891b8d99f 100644
(file)
--- a/
arch/tile/kernel/compat_signal.c
+++ b/
arch/tile/kernel/compat_signal.c
@@
-248,7
+248,7
@@
long compat_sys_rt_sigreturn(void)
if (restore_sigcontext(regs, &frame->uc.uc_mcontext))
goto badframe;
- if (compat_sys_sigaltstack(&frame->uc.uc_stack, NULL)
!= 0
)
+ if (compat_sys_sigaltstack(&frame->uc.uc_stack, NULL)
== -EFAULT
)
goto badframe;
return 0;