Description: media: rcar_drif: fix a memory disclosure
References:
 https://patchwork.linuxtv.org/patch/59542/
Notes:
 bwh> Introduced in 4.13 by commit 7625ee981af1 "[media] media: platform:
 bwh> rcar_drif: Add DRIF support".
Bugs:
upstream: released (5.5-rc1) [d39083234c60519724c6ed59509a2129fd2aed41]
4.19-upstream-stable: released (4.19.92) [debdd16cbd99ffc767227685e2738e5b495b7c54]
4.9-upstream-stable: N/A "Vulnerable code not present"
3.16-upstream-stable: N/A "Vulnerable code not present"
sid: released (5.4.8-1)
4.19-buster-security: released (4.19.98-1)
4.9-stretch-security: N/A "Vulnerable code not present"
3.16-jessie-security: N/A "Vulnerable code not present"