• Mauro Carvalho Chehab's avatar
    V4L/DVB: cx231xx: Avoid an OOPS when card is unknown (card=0) · c10469c6
    Mauro Carvalho Chehab authored
    As reported by: Carlos Americo Domiciano <c_domiciano@yahoo.com.br>:
    
    [  220.033500] cx231xx v4l2 driver loaded.
    [  220.033571] cx231xx #0: New device Conexant Corporation Polaris AV Capturb @ 480 Mbps (1554:5010) with 6 interfaces
    [  220.033577] cx231xx #0: registering interface 0
    [  220.033591] cx231xx #0: registering interface 1
    [  220.033654] cx231xx #0: registering interface 6
    [  220.033910] cx231xx #0: Identified as Unknown CX231xx video grabber (card=0)
    [  220.033946] BUG: unable to handle kernel NULL pointer dereference at (null)
    [  220.033955] IP: [<ffffffffa0d3c8bd>] cx231xx_pre_card_setup+0x5d/0xb0 [cx231xx]
    
    Thanks-to: Carlos Americo Domiciano <c_domiciano@yahoo.com.br>
    Cc: stable@kernel.org
    Signed-off-by: default avatarMauro Carvalho Chehab <mchehab@redhat.com>
    c10469c6
cx231xx-cards.c 23 KB