From: Alan Cox Date: Thu, 26 Mar 2009 20:44:38 +0000 (-0300) Subject: V4L/DVB (11243): cx88: Missing failure checks X-Git-Tag: 2.1b_release~13690^2~58 X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=fbc0ae205c5dfb1049a36f0a98cc9211a3a090bb;p=platform%2Fkernel%2Fkernel-mfld-blackbay.git V4L/DVB (11243): cx88: Missing failure checks The ioremap one was reported in October 2007 (Bug 9146), the kmalloc one was blindingly obvious while looking at the ioremap one The bug suggests some other configuration for lots of I/O memory (32MB per device is ioremapped) but I'll leave that to the real maintainers Signed-off-by: Alan Cox Signed-off-by: Mauro Carvalho Chehab --- diff --git a/drivers/media/video/cx88/cx88-cards.c b/drivers/media/video/cx88/cx88-cards.c index b9def8c..348f6ef 100644 --- a/drivers/media/video/cx88/cx88-cards.c +++ b/drivers/media/video/cx88/cx88-cards.c @@ -3127,6 +3127,8 @@ struct cx88_core *cx88_core_create(struct pci_dev *pci, int nr) int i; core = kzalloc(sizeof(*core), GFP_KERNEL); + if (core == NULL) + return NULL; atomic_inc(&core->refcount); core->pci_bus = pci->bus->number; @@ -3157,6 +3159,11 @@ struct cx88_core *cx88_core_create(struct pci_dev *pci, int nr) pci_resource_len(pci, 0)); core->bmmio = (u8 __iomem *)core->lmmio; + if (core->lmmio == NULL) { + kfree(core); + return NULL; + } + /* board config */ core->boardnr = UNSET; if (card[core->nr] < ARRAY_SIZE(cx88_boards))