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ARC: entry: fix syscall_trace_exit argument
authorSergey Matyukevich <sergey.matyukevich@synopsys.com>
Thu, 14 Apr 2022 08:17:22 +0000 (11:17 +0300)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Wed, 27 Apr 2022 11:14:11 +0000 (13:14 +0200)
commit2e5893f64d94e20494bc0a5dcfa2846e0e1fe9dc
tree8bc94d72229aa4fa019e370ec64ac7dd17234afbtree | snapshot
parent5dacfde4ec839e13f8be27ead4a6fd313ba4cd12commit | diff
ARC: entry: fix syscall_trace_exit argument

commit b1c6ecfdd06907554518ec384ce8e99889d15193 upstream.

Function syscall_trace_exit expects pointer to pt_regs. However
r0 is also used to keep syscall return value. Restore pointer
to pt_regs before calling syscall_trace_exit.

Cc: <stable@vger.kernel.org>
Signed-off-by: Sergey Matyukevich <sergey.matyukevich@synopsys.com>
Signed-off-by: Vineet Gupta <vgupta@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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