microblaze: Use unsigned return type in do_syscall_trace_enter
Registers are not signed types. The patch removes warnings: arch/microblaze/kernel/ptrace.c: In function 'do_syscall_trace_enter': arch/microblaze/kernel/ptrace.c:152:14: warning: signed and unsigned type in conditional expression [-Wsign-compare] return ret ?: regs->r12; Signed-off-by: Michal Simek <michal.simek@xilinx.com>
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@ -97,7 +97,7 @@ static inline void syscall_set_arguments(struct task_struct *task,
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microblaze_set_syscall_arg(regs, i++, *args++);
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}
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asmlinkage long do_syscall_trace_enter(struct pt_regs *regs);
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asmlinkage unsigned long do_syscall_trace_enter(struct pt_regs *regs);
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asmlinkage void do_syscall_trace_leave(struct pt_regs *regs);
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static inline int syscall_get_arch(void)
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@ -132,9 +132,9 @@ long arch_ptrace(struct task_struct *child, long request,
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return rval;
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}
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asmlinkage long do_syscall_trace_enter(struct pt_regs *regs)
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asmlinkage unsigned long do_syscall_trace_enter(struct pt_regs *regs)
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{
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long ret = 0;
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unsigned long ret = 0;
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secure_computing_strict(regs->r12);
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