Messages in this thread | ![/](/images/icornerl.gif) | | Date | Wed, 14 Dec 2022 09:25:51 +0100 | From | Greg KH <> | Subject | Re: [PATCH v2] usb: gadget: aspeed_udc: Add check for dma_alloc_coherent |
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On Wed, Dec 14, 2022 at 10:54:14AM +0800, Jiasheng Jiang wrote: > Add the check for the return value of dma_alloc_coherent in order to > avoid NULL pointer dereference. > > This flaw was found using an experimental static analysis tool we are > developing, APP-Miner, which has not been disclosed. > > The allyesconfig build using GCC 9.3.0 shows no new warning. As we > don't have a UDC device to test with, no runtime testing was able to > be performed. > > Signed-off-by: Jiasheng Jiang <jiasheng@iscas.ac.cn> > --- > Changelog: > > v1 -> v2: > > 1. Add "goto err;" when allocation fails.
You already sent a previous v2 that differs from this one, this should be v3, right?
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