Description: iio: ad5755: fix off-by-one on devnr limit check
References:
Notes:
 bwh> Introduced in 4.8 by commit c947459979c6 "iio: ad5755: add support
 bwh> for dt bindings".
Bugs:
upstream: released (4.9-rc1) [9d47964bfd471f0dd4c89f28556aec68bffa0020]
4.19-upstream-stable: N/A "Fixed before branching point"
4.9-upstream-stable: N/A "Fixed before branching point"
3.16-upstream-stable: N/A "Vulnerable code not present"
sid: released (4.9.2-1)
4.19-buster-security: N/A "Fixed before branching point"
4.9-stretch-security: N/A "Fixed before branching point"
3.16-jessie-security: N/A "Vulnerable code not present"