um: Handle tracehook_report_syscall_entry() result
authorRichard Weinberger <richard@nod.at>
Sun, 31 May 2015 20:59:03 +0000 (22:59 +0200)
committerRichard Weinberger <richard@nod.at>
Sun, 31 May 2015 20:59:03 +0000 (22:59 +0200)
commit5334cdae407a5778a297a98a75ca61140e37ebfa
tree8b1c4aaad459fa26fb13b5ef4244d986c831048d
parent30b11ee9ae23d78de66b9ae315880af17a64ba83
um: Handle tracehook_report_syscall_entry() result

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>
arch/um/include/asm/ptrace-generic.h
arch/um/kernel/ptrace.c
arch/um/kernel/skas/syscall.c