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media: dvb: Add check on sp8870_readreg return
authorAlaa Emad <alaaemadhossney.ae@gmail.com>
Mon, 3 May 2021 11:57:26 +0000 (13:57 +0200)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Thu, 13 May 2021 16:32:41 +0000 (18:32 +0200)
commitac55b4fcfd337eb7ab54c7e059ec79b86877e17e
treeb1657e71b77e54ff82b525674c3dbb45ac942210tree | snapshot
parentb3126ceaa31fb23a5e00c5e5380d5d7ff9e9e1a3commit | diff
media: dvb: Add check on sp8870_readreg return

The function sp8870_readreg returns a negative value when i2c_transfer
fails so properly check for this and return the error if it happens.

Cc: Sean Young <sean@mess.org>
Cc: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
Signed-off-by: Alaa Emad <alaaemadhossney.ae@gmail.com>
Link: https://lore.kernel.org/r/20210503115736.2104747-60-gregkh@linuxfoundation.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
drivers/media/dvb-frontends/sp8870.c diff | blob | history
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