[PATCH] dvb: fix NULL pointer dereference when loading the budget-av module
[PATCH] dvb: fix NULL pointer dereference when loading the budget-av module

Ralph Metzler wrote:
> AFAIR, there is a bug in tda10021.c in tda10021_readreg() which
> references state->frontend.dvb->num
> This is fatal if the frontend is not at the probed address and thus
> not yet registered (no dvb entry set yet -> NULL pointer ...).

The attached patch should get rid of the oops.

Signed-off-by: Jon Burgess <3ae9028ab2c56643d3c41b24d797f66f8cd6bf85@uklinux.net>
Cc: Johannes Stezenbach <93f8bb0eb2c659b85694486c41717eaf0fe23cd4@linuxtv.org>
Signed-off-by: Andrew Morton <5c1e68b099950c134891f0b6e179498a8ebe9cf9@osdl.org>
Signed-off-by: Linus Torvalds <69652caca27c8b940640ad396ab71f93cacec34f@osdl.org>

TeamVee-Kanas/android_kernel_samsung_kanas,KristFoundation/Programs,TeamVee-Kanas/android_kernel_samsung_kanas,TeamVee-Kanas/android_kernel_samsung_kanas,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,TeamVee-Kanas/android_kernel_samsung_kanas,KristFoundation/Programs,TeamVee-Kanas/android_kernel_samsung_kanas