nfs: do not panic on bootpc_init when no interfaces are found
Replaces panic with a warning message to allow kernel continue when no bootp eligible network interfaces are found. This avoids having to build a custom kernel when using a local root file system on targets like powerpcspe that expects bootp/NFS by default. Reviewed by: rmacklem MFC after: 2 weeks Sponsored by: Instituto de Pesquisas Eldorado (eldorado.org.br) Differential Revision: https://reviews.freebsd.org/D34567
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@ -1501,7 +1501,7 @@ bootpc_decode_reply(struct nfsv3_diskless *nd, struct bootpc_ifcontext *ifctx,
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void
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void
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bootpc_init(void)
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bootpc_init(void)
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{
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{
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struct bootpc_ifcontext *ifctx; /* Interface BOOTP contexts */
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struct bootpc_ifcontext *ifctx = NULL; /* Interface BOOTP contexts */
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struct bootpc_globalcontext *gctx; /* Global BOOTP context */
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struct bootpc_globalcontext *gctx; /* Global BOOTP context */
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struct ifnet *ifp;
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struct ifnet *ifp;
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struct sockaddr_dl *sdl;
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struct sockaddr_dl *sdl;
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@ -1571,9 +1571,13 @@ bootpc_init(void)
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}
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}
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ifcnt++;
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ifcnt++;
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}
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}
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IFNET_RUNLOCK();
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IFNET_RUNLOCK();
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if (ifcnt == 0)
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if (ifcnt == 0) {
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panic("%s: no eligible interfaces", __func__);
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printf("WARNING: BOOTP found no eligible network interfaces, skipping!\n");
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goto out;
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}
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for (; ifcnt > 0; ifcnt--)
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for (; ifcnt > 0; ifcnt--)
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allocifctx(gctx);
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allocifctx(gctx);
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#endif
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#endif
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