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(parent: 15750c1) | patch
ptp: check gettime64 return code in PTP_SYS_OFFSET ioctl
authorMiroslav Lichvar <mlichvar@redhat.com>
Fri, 9 Nov 2018 10:14:43 +0000 (11:14 +0100)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Tue, 12 Feb 2019 18:44:52 +0000 (19:44 +0100)
commitdd57ad3e75034499bd862cbe76fe444397ac0a36
tree6b900d417143e7bbdec2fbd47a28384dcd74b047tree | snapshot
parent15750c190432d5a61a3ae7bd91f807cc38d985cccommit | diff
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>
drivers/ptp/ptp_chardev.c diff | blob | history
Domain: System / Kernel;