On 28.02.19 20:38, Dmitry V. Levin wrote: > syscall_get_error() is required to be implemented on all > architectures in addition to already implemented syscall_get_nr(), > syscall_get_arguments(), syscall_get_return_value(), and > syscall_get_arch() functions in order to extend the generic > ptrace API with PTRACE_GET_SYSCALL_INFO request. > > Cc: Helge Deller <[email protected]> > Cc: James E.J. Bottomley <[email protected]> > Cc: Oleg Nesterov <[email protected]> > Cc: Andy Lutomirski <[email protected]> > Cc: Elvira Khabirova <[email protected]> > Cc: Eugene Syromyatnikov <[email protected]> > Cc: [email protected] > Signed-off-by: Dmitry V. Levin <[email protected]>
Acked-by: Helge Deller <[email protected]> # parisc Helge > --- > > This is just a gentle ping, the patch is unchanged. > > Notes: > v7: unchanged > v6: unchanged > v5: initial revision > > arch/parisc/include/asm/syscall.h | 7 +++++++ > 1 file changed, 7 insertions(+) > > diff --git a/arch/parisc/include/asm/syscall.h > b/arch/parisc/include/asm/syscall.h > index 8bff1a58c97f..477511ff7546 100644 > --- a/arch/parisc/include/asm/syscall.h > +++ b/arch/parisc/include/asm/syscall.h > @@ -43,6 +43,13 @@ static inline void syscall_get_arguments(struct > task_struct *tsk, > } > } > > +static inline long syscall_get_error(struct task_struct *task, > + struct pt_regs *regs) > +{ > + unsigned long error = regs->gr[28]; > + return IS_ERR_VALUE(error) ? error : 0; > +} > + > static inline long syscall_get_return_value(struct task_struct *task, > struct pt_regs *regs) > { >
