ptp: check gettime64 return code in PTP_SYS_OFFSET ioctl

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[ Upstream commit 83d0bdc739 ]

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>

...

This commit is contained in:

Miroslav Lichvar 2018-11-09 11:14:43 +01:00 • committed by Greg Kroah-Hartman

parent ebd79de192

commit c178a35320

1 changed files with 4 additions and 1 deletions

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drivers/ptp/ptp_chardev.c

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