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signal/powerpc: Call force_sig_fault from _exception 

The callers of _exception don't need the pkey exception logic because
they are not processing a pkey exception.  So just call exception_common
directly and then call force_sig_fault to generate the appropriate siginfo
and deliver the appropriate signal.

Reviewed-by: Stephen Rothwell <sfr@canb.auug.org.au>
Signed-off-by: "Eric W. Biederman" <ebiederm@xmission.com>
This commit is contained in:
Eric W. Biederman 2018-09-18 09:43:32 +02:00
parent 2c44ce285f
commit c1c7c85cea
1 changed files with 4 additions and 1 deletions
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5
arch/powerpc/kernel/traps.c
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@ -380,7 +380,10 @@ void _exception_pkey(int signr, struct pt_regs *regs, int code, unsigned long ad
void _exception(int signr, struct pt_regs *regs, int code, unsigned long addr)
{
_exception_pkey(signr, regs, code, addr, 0);
if (!exception_common(signr, regs, code, addr))
return;
force_sig_fault(signr, code, (void __user *)addr, current);
}
void system_reset_exception(struct pt_regs *regs)