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Diffstat (limited to 'arch/mips')
-rw-r--r--arch/mips/include/asm/ptrace.h14
-rw-r--r--arch/mips/kernel/ptrace.c11
2 files changed, 17 insertions, 8 deletions
diff --git a/arch/mips/include/asm/ptrace.h b/arch/mips/include/asm/ptrace.h
index 7b99c670e478..4b7f5252d2fd 100644
--- a/arch/mips/include/asm/ptrace.h
+++ b/arch/mips/include/asm/ptrace.h
@@ -137,7 +137,19 @@ extern int ptrace_set_watch_regs(struct task_struct *child,
*/
#define user_mode(regs) (((regs)->cp0_status & KU_MASK) == KU_USER)
-#define regs_return_value(_regs) ((_regs)->regs[2])
+static inline int is_syscall_success(struct pt_regs *regs)
+{
+ return !regs->regs[7];
+}
+
+static inline long regs_return_value(struct pt_regs *regs)
+{
+ if (is_syscall_success(regs))
+ return regs->regs[2];
+ else
+ return -regs->regs[2];
+}
+
#define instruction_pointer(regs) ((regs)->cp0_epc)
#define profile_pc(regs) instruction_pointer(regs)
diff --git a/arch/mips/kernel/ptrace.c b/arch/mips/kernel/ptrace.c
index 4e6ea1ffad46..7786b608d932 100644
--- a/arch/mips/kernel/ptrace.c
+++ b/arch/mips/kernel/ptrace.c
@@ -560,10 +560,9 @@ asmlinkage void syscall_trace_enter(struct pt_regs *regs)
}
out:
- if (unlikely(current->audit_context))
- audit_syscall_entry(audit_arch(), regs->regs[2],
- regs->regs[4], regs->regs[5],
- regs->regs[6], regs->regs[7]);
+ audit_syscall_entry(audit_arch(), regs->regs[2],
+ regs->regs[4], regs->regs[5],
+ regs->regs[6], regs->regs[7]);
}
/*
@@ -572,9 +571,7 @@ out:
*/
asmlinkage void syscall_trace_leave(struct pt_regs *regs)
{
- if (unlikely(current->audit_context))
- audit_syscall_exit(AUDITSC_RESULT(regs->regs[7]),
- -regs->regs[2]);
+ audit_syscall_exit(regs);
if (!(current->ptrace & PT_PTRACED))
return;