MIPS: Fix syscall_get_nr for the syscall exit tracing.
Register 2 is alredy overwritten by the return value when syscall_trace_leave() is called. Signed-off-by:Lars Persson <larper@axis.com> Cc: linux-mips@linux-mips.org Patchwork: https://patchwork.linux-mips.org/patch/9187/ Signed-off-by:
Ralf Baechle <ralf@linux-mips.org>
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26f7c4bd