media: dvb_frontend: fix return error code
The correct error code when a function is not defined is -ENOTSUPP. It was typoed wrong as -EOPNOTSUPP, with, unfortunately, exists, but it is not used by the DVB core. Thanks-to: Geert Uytterhoeven <geert@linux-m68k.org> Thanks-to: Arnd Bergmann <arnd@arndb.de> To make me revisit this code. Fixes: a9cb97c3 ("media: dvb_frontend: be sure to init dvb_frontend_handle_ioctl() return code") Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
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