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| author |   Trond Myklebust <trond.myklebust@hammerspace.com> | 2020-11-10 10:30:35 -0500 |
|---|---|---|
| committer | Trond Myklebust <trond.myklebust@hammerspace.com> | 2020-12-02 14:05:53 -0500 |
| commit | 1c3695d0bb3869fedcde4538d831003519576ece (patch) | |
| tree | 8b3b76e83388c6b5ca28a8aacefdd05a8f8e2823 /fs/nfs/fs_context.c | |
| parent | SUNRPC: Add a helper to return the transport identifier given a netid (diff) | |
| download | linux-dev-1c3695d0bb3869fedcde4538d831003519576ece.tar.xz linux-dev-1c3695d0bb3869fedcde4538d831003519576ece.zip | |
NFS: Switch mount code to use xprt_find_transport_ident()
Switch the mount code to use xprt_find_transport_ident() and to check
the results before allowing the mount to proceed.
Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com>
Diffstat (limited to 'fs/nfs/fs_context.c')
| -rw-r--r-- | fs/nfs/fs_context.c | 21 |
1 files changed, 12 insertions, 9 deletions
diff --git a/fs/nfs/fs_context.c b/fs/nfs/fs_context.c index 29ec8b09a52d..06894bcdea2d 100644 --- a/fs/nfs/fs_context.c +++ b/fs/nfs/fs_context.c @@ -510,13 +510,12 @@ static int nfs_fs_context_parse_param(struct fs_context *fc, ctx->nfs_server.protocol = XPRT_TRANSPORT_UDP; break; case Opt_tcp: - ctx->flags |= NFS_MOUNT_TCP; - ctx->nfs_server.protocol = XPRT_TRANSPORT_TCP; - break; case Opt_rdma: ctx->flags |= NFS_MOUNT_TCP; /* for side protocols */ - ctx->nfs_server.protocol = XPRT_TRANSPORT_RDMA; - xprt_load_transport(param->key); + ret = xprt_find_transport_ident(param->key); + if (ret < 0) + goto out_bad_transport; + ctx->nfs_server.protocol = ret; break; case Opt_acl: if (result.negated) @@ -670,11 +669,13 @@ static int nfs_fs_context_parse_param(struct fs_context *fc, case Opt_xprt_rdma: /* vector side protocols to TCP */ ctx->flags |= NFS_MOUNT_TCP; - ctx->nfs_server.protocol = XPRT_TRANSPORT_RDMA; - xprt_load_transport(param->string); + ret = xprt_find_transport_ident(param->string); + if (ret < 0) + goto out_bad_transport; + ctx->nfs_server.protocol = ret; break; default: - return nfs_invalf(fc, "NFS: Unrecognized transport protocol"); + goto out_bad_transport; } ctx->protofamily = protofamily; @@ -697,7 +698,7 @@ static int nfs_fs_context_parse_param(struct fs_context *fc, break; case Opt_xprt_rdma: /* not used for side protocols */ default: - return nfs_invalf(fc, "NFS: Unrecognized transport protocol"); + goto out_bad_transport; } ctx->mountfamily = mountfamily; break; @@ -787,6 +788,8 @@ out_invalid_address: return nfs_invalf(fc, "NFS: Bad IP address specified"); out_of_bounds: return nfs_invalf(fc, "NFS: Value for '%s' out of range", param->key); +out_bad_transport: + return nfs_invalf(fc, "NFS: Unrecognized transport protocol"); } /* |