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 11:15:31 +0000 (13:15 +0200)
commit5e89947d00d76c871a6782a0cd016039b2b3f679
tree1fe61dded9854560b1d10371da4f50dfa43652f9
parent56a160453083939d572f8074804492ff55a2e00d
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>
arch/arc/kernel/entry.S