Messages in this thread Patch in this message | | | Date | Thu, 6 May 2010 10:42:08 +0800 | From | wzt.wzt@gmail ... | Subject | [PATCH] Parisc: Check kmalloc return value before use the buffer in ccio-dma.c |
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Check kmalloc return value before use the buffer.
Signed-off-by: Zhitong Wang <zhitong.wangzt@alibaba-inc.com>
--- drivers/parisc/ccio-dma.c | 5 +++++ 1 files changed, 5 insertions(+), 0 deletions(-)
diff --git a/drivers/parisc/ccio-dma.c b/drivers/parisc/ccio-dma.c index f511e70..f465417 100644 --- a/drivers/parisc/ccio-dma.c +++ b/drivers/parisc/ccio-dma.c @@ -1407,6 +1407,11 @@ static void __init ccio_init_resources(struct ioc *ioc) struct resource *res = ioc->mmio_region; char *name = kmalloc(14, GFP_KERNEL); + if (!name) { + printk(KERN_ERR "%s() failed to get enough memory\n", __func__); + return ; + } + snprintf(name, 14, "GSC Bus [%d/]", ioc->hw_path); ccio_init_resource(res, name, &ioc->ioc_regs->io_io_low); -- 1.6.5.3
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