tree 6b900d417143e7bbdec2fbd47a28384dcd74b047
parent 15750c190432d5a61a3ae7bd91f807cc38d985cc
author Miroslav Lichvar <mlichvar@redhat.com> 1541758483 +0100
committer Greg Kroah-Hartman <gregkh@linuxfoundation.org> 1549997092 +0100

ptp: check gettime64 return code in PTP_SYS_OFFSET ioctl

[ Upstream commit 83d0bdc7390b890905634186baaa294475cd6a06 ]

If a gettime64 call fails, return the error and avoid copying data back
to user.

Cc: Richard Cochran <richardcochran@gmail.com>
Cc: Jacob Keller <jacob.e.keller@intel.com>
Signed-off-by: Miroslav Lichvar <mlichvar@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Sasha Levin <sashal@kernel.org>