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b435c74e91
With current implementation: vm_init_vdevs only handles the negative error code, while passthru_init returns positive error code when error occurs. This causes unexpected dm crash since the real error is not being handled properly. What this patch does: Change the error code to be negative value in passthru_init because it is common in Linux kernel to return negative value when error occurs. v2 -> v3 * add more comments about the reason to convert the return value v1 -> v2: * add a wrapper API to convert the error returned from pci_system_init to the ERROR we defined in DM * use the defined errno as the return value rather than -1 Signed-off-by: Shiqing Gao <shiqing.gao@intel.com> Acked-by: Eddie Dong <eddie.dong@intel.com>