[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index] Re: [Xen-devel] [PATCH 1/4] libxc: prefer using privcmd character device
Doug Goldstein writes ("[PATCH 1/4] libxc: prefer using privcmd character device"): > Prefer using the character device over the proc file if the character > device exists. This follows similar conversions of xenbus to avoid > issues with FMODE_ATOMIC_POS added in Linux 3.14 and newer. This is a fine change, but > - int fd = open("/proc/xen/privcmd", O_RDWR); > + int fd = open("/dev/xen/privcmd", O_RDWR); /* prefer this newer > interface */ > + > + if ( fd == -1 ) > + { I think this should check the errno value. I expect that any of ENOENT, ENXIO and ENODEV should be tolerated - but others should probaby be a fatal error. Ian. _______________________________________________ Xen-devel mailing list Xen-devel@xxxxxxxxxxxxx http://lists.xen.org/xen-devel
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