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um: Handle tracehook_report_syscall_entry() result

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tracehook_report_syscall_entry() is allowed to fail,
in case of failure we have to abort the current syscall.

Signed-off-by: Richard Weinberger <richard@nod.at>
This commit is contained in:
Richard Weinberger
2015-05-31 22:59:03 +02:00
parent 30b11ee9ae
commit 5334cdae40
3 changed files with 9 additions and 5 deletions
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2
arch/um/include/asm/ptrace-generic.h
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@@ -37,7 +37,7 @@ extern int putreg(struct task_struct *child, int regno, unsigned long value);
extern int arch_copy_tls(struct task_struct *new);
extern void clear_flushed_tls(struct task_struct *task);
extern void syscall_trace_enter(struct pt_regs *regs);
extern int syscall_trace_enter(struct pt_regs *regs);
extern void syscall_trace_leave(struct pt_regs *regs);
#endif