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signal: Remove the task parameter from force_sig_fault

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As synchronous exceptions really only make sense against the current
task (otherwise how are you synchronous) remove the task parameter
from from force_sig_fault to make it explicit that is what is going
on.

The two known exceptions that deliver a synchronous exception to a
stopped ptraced task have already been changed to
force_sig_fault_to_task.

The callers have been changed with the following emacs regular expression
(with obvious variations on the architectures that take more arguments)
to avoid typos:

force_sig_fault[(]\([^,]+\)[,]\([^,]+\)[,]\([^,]+\)[,]\W+current[)]
->
force_sig_fault(\1,\2,\3)

Signed-off-by: "Eric W. Biederman" <ebiederm@xmission.com>
This commit is contained in:
Eric W. Biederman
2019-05-23 11:04:24 -05:00
parent 91ca180dbd
commit 2e1661d267
67 changed files with 137 additions and 151 deletions
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4
arch/riscv/kernel/traps.c
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@@ -76,7 +76,7 @@ void do_trap(struct pt_regs *regs, int signo, int code, unsigned long addr)
show_regs(regs);
}
force_sig_fault(signo, code, (void __user *)addr, current);
force_sig_fault(signo, code, (void __user *)addr);
}
static void do_trap_error(struct pt_regs *regs, int signo, int code,
@@ -149,7 +149,7 @@ asmlinkage void do_trap_break(struct pt_regs *regs)
}
#endif /* CONFIG_GENERIC_BUG */
force_sig_fault(SIGTRAP, TRAP_BRKPT, (void __user *)(regs->sepc), current);
force_sig_fault(SIGTRAP, TRAP_BRKPT, (void __user *)(regs->sepc));
}
#ifdef CONFIG_GENERIC_BUG