Hi Kangjie, Am 24.03.19 um 23:43 schrieb Kangjie Lu: > When kzalloc fails, "platform_state->inited = 1" is a NULL pointer > dereference. The fix returns VCHIQ_ERROR in case it failed to > avoid NULL pointer dereference. > > Signed-off-by: Kangjie Lu <kjlu@xxxxxxx> please add a proper fixes tag. > --- > .../staging/vc04_services/interface/vchiq_arm/vchiq_2835_arm.c | 2 ++ > 1 file changed, 2 insertions(+) > > diff --git a/drivers/staging/vc04_services/interface/vchiq_arm/vchiq_2835_arm.c b/drivers/staging/vc04_services/interface/vchiq_arm/vchiq_2835_arm.c > index dd4898861b83..0f12fe617575 100644 > --- a/drivers/staging/vc04_services/interface/vchiq_arm/vchiq_2835_arm.c > +++ b/drivers/staging/vc04_services/interface/vchiq_arm/vchiq_2835_arm.c > @@ -209,6 +209,8 @@ vchiq_platform_init_state(struct vchiq_state *state) > struct vchiq_2835_state *platform_state; > > state->platform_state = kzalloc(sizeof(*platform_state), GFP_KERNEL); > + if (!state->platform_state) > + return VCHIQ_ERROR; this change is good, but vchiq_init_state doesn't bail out immediately in case vchiq_platform_init_state fails. Could you please fix that, too? Thanks Stefan > platform_state = (struct vchiq_2835_state *)state->platform_state; > > platform_state->inited = 1; _______________________________________________ devel mailing list devel@xxxxxxxxxxxxxxxxxxxxxx http://driverdev.linuxdriverproject.org/mailman/listinfo/driverdev-devel
