mirror of
https://git.proxmox.com/git/mirror_ubuntu-kernels.git
synced 2026-01-26 00:09:58 +00:00
31fe084ffa
In the SG case this is already handled since a non-zero request->num_mapped_sgs is a clear indicator that dma_map_sg() had been called. While it would be nice to do the same for the singly mapped case by simply checking for non-zero request->dma, it's conceivable that 0 is a valid dma_addr_t handle. Hence add a flag 'dma_mapped' to struct usb_request and use this to determine the need to call dma_unmap_single(). Otherwise, if a request is not DMA mapped then the result of calling usb_request_unmap_request() would safely be a no-op. Signed-off-by: Jack Pham <jackp@codeaurora.org> Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com> |
||
|---|---|---|
| .. | ||
| acpi | ||
| asm-generic | ||
| clocksource | ||
| crypto | ||
| drm | ||
| dt-bindings | ||
| keys | ||
| kvm | ||
| linux | ||
| math-emu | ||
| media | ||
| memory | ||
| misc | ||
| net | ||
| pcmcia | ||
| ras | ||
| rdma | ||
| rxrpc | ||
| scsi | ||
| soc | ||
| sound | ||
| target | ||
| trace | ||
| uapi | ||
| video | ||
| xen | ||