Switched to a new branch '20221114112124.1965611-1-ruanjinjie@huawei.com' Applying: xen/platform-pci: add missing free_irq() in error path error: sha1 information is lacking or useless (drivers/xen/platform-pci.c). error: could not build fake ancestor hint: Use 'git am --show-current-patch=diff' to see the failed patch Patch failed at 0001 xen/platform-pci: add missing free_irq() in error path When you have resolved this problem, run "git am --continue". If you prefer to skip this patch, run "git am --skip" instead. To restore the original branch and stop patching, run "git am --abort".