On 22-04-20, 18:58, Alan Mikhak wrote: > From: Alan Mikhak <alan.mikhak@xxxxxxxxxx> > > Modify dw_edma_irq_request() to check if a struct msi_desc entry exists > before copying the contents of its struct msi_msg pointer. > > Without this sanity check, __get_cached_msi_msg() crashes when invoked by > dw_edma_irq_request() running on a Linux-based PCIe endpoint device. MSI > interrupt are not received by PCIe endpoint devices. If irq_get_msi_desc() > returns null, then there is no cached struct msi_msg to be copied. > > This patch depends on the following patch: > [PATCH v2] dmaengine: dw-edma: Decouple dw-edma-core.c from struct pci_dev > https://patchwork.kernel.org/patch/11491757/ > > Rebased on linux-next which has above patch applied. These two para above should be added after s-o-b line as git-am skips the lines after the marker. The above line are useful for applying but not when applied. I have stripped these and applied the patch, thanks -- ~Vinod
