The patch number 11243 was added via Mauro Carvalho Chehab <[email protected]>
to http://linuxtv.org/hg/v4l-dvb master development tree.
Kernel patches in this development tree may be modified to be backward
compatible with older kernels. Compatibility modifications will be
removed before inclusion into the mainstream Kernel
If anyone has any objections, please let us know by sending a message to:
Linux Media Mailing List <[email protected]>
------
From: Alan Cox <[email protected]>
[PATCH] 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 <[email protected]>
Signed-off-by: Mauro Carvalho Chehab <[email protected]>
---
linux/drivers/media/video/cx88/cx88-cards.c | 7 +++++++
1 file changed, 7 insertions(+)
diff -r 70a36945a1a0 -r 0b4292a3badf linux/drivers/media/video/cx88/cx88-cards.c
--- a/linux/drivers/media/video/cx88/cx88-cards.c Thu Mar 26 14:31:08
2009 +0000
+++ b/linux/drivers/media/video/cx88/cx88-cards.c Thu Mar 26 20:44:38
2009 +0000
@@ -3160,6 +3160,8 @@ struct cx88_core *cx88_core_create(struc
int i;
core = kzalloc(sizeof(*core), GFP_KERNEL);
+ if (core == NULL)
+ return NULL;
atomic_inc(&core->refcount);
core->pci_bus = pci->bus->number;
@@ -3189,6 +3191,11 @@ struct cx88_core *cx88_core_create(struc
core->lmmio = ioremap(pci_resource_start(pci, 0),
pci_resource_len(pci, 0));
core->bmmio = (u8 __iomem *)core->lmmio;
+
+ if (core->lmmio == NULL) {
+ kfree(core);
+ return NULL;
+ }
/* board config */
core->boardnr = UNSET;
---
Patch is available at:
http://linuxtv.org/hg/v4l-dvb/rev/0b4292a3badf55896b77de723e73f39275c1e65b
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