tree 67ea0ee67367c7050fce6ec793967486108b43c1
parent 79a3aaa7b82e3106be97842dedfd8429248896e6
author Max Filippov <jcmvbkbc@gmail.com> 1554347965 -0700
committer Max Filippov <jcmvbkbc@gmail.com> 1554358716 -0700

xtensa: use actual syscall number in do_syscall_trace_leave

Syscall may alter pt_regs structure passed to it, resulting in a
mismatch between syscall entry end syscall exit entries in the ftrace.
Temporary restore syscall field of the pt_regs for the duration of
do_syscall_trace_leave.

Signed-off-by: Max Filippov <jcmvbkbc@gmail.com>