forked from rubenslte/android_kernel_samsung_msm8226
A copy_from_user is not always expected to succeed. Therefore, check for an error before operating on the buffer post copy. CRs-Fixed: 1116070 Change-Id: I21032719e6e85f280ca0cda875c84ac8dee8916b Signed-off-by: Siena Richard <sienar@codeaurora.org> CVE-2017-0610 follow-up Signed-off-by: Kevin F. Haggerty <haggertk@lineageos.org>