[ Upstream commit 0d5679a0aae2d8cda72169452c32e5cb88a7ab33 ]
This is almost compatible, but passing a negative offset should result
in a EINVAL error, but on mips o32 compat mode would seek to a large
32-bit byte offset.
Use compat_sys_lseek() to correctly sign-extend the argument.
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
Signed-off-by: Sasha Levin <sashal@kernel.org>
2463c87121