A built-in SMB file system cannot link against a modular infiniband core module: fs/cifs/smbdirect.o: In function `smbd_destroy_rdma_work': smbdirect.c:(.text+0x28e3): undefined reference to `ib_drain_qp' smbdirect.c:(.text+0x2915): undefined reference to `rdma_destroy_qp' smbdirect.c:(.text+0x2d08): undefined reference to `ib_free_cq' smbdirect.c:(.text+0x2d3d): undefined reference to `ib_free_cq' smbdirect.c:(.text+0x2d6f): undefined reference to `ib_dealloc_pd' smbdirect.c:(.text+0x2d9a): undefined reference to `rdma_destroy_id' fs/cifs/smbdirect.o: In function `smbd_disconnect_rdma_work': smbdirect.c:(.text+0x3d3e): undefined reference to `rdma_disconnect' fs/cifs/smbdirect.o: In function `_smbd_get_connection': smbdirect.c:(.text+0x5bc2): undefined reference to `rdma_create_id' smbdirect.c:(.text+0x5cc5): undefined reference to `rdma_resolve_addr' smbdirect.c:(.text+0x5cda): undefined reference to `rdma_destroy_id' smbdirect.c:(.text+0x5da7): undefined reference to `rdma_destroy_id' smbdirect.c:(.text+0x5e89): undefined reference to `rdma_resolve_route' smbdirect.c:(.text+0x5f07): undefined reference to `rdma_destroy_id' This changes the Kconfig dependency to enforce selecting one of the valid configurations. Fixes: bbc50d2ad317 ("CIFS: SMBD: Introduce kernel config option CONFIG_CIFS_SMB_DIRECT") Signed-off-by: Arnd Bergmann <arnd@xxxxxxxx> --- fs/cifs/Kconfig | 1 + 1 file changed, 1 insertion(+) diff --git a/fs/cifs/Kconfig b/fs/cifs/Kconfig index 500fd69fb58b..3bfc55c08bef 100644 --- a/fs/cifs/Kconfig +++ b/fs/cifs/Kconfig @@ -199,6 +199,7 @@ config CIFS_SMB311 config CIFS_SMB_DIRECT bool "SMB Direct support (Experimental)" depends on CIFS && INFINIBAND + depends on CIFS=m || INFINIBAND=y help Enables SMB Direct experimental support for SMB 3.0, 3.02 and 3.1.1. SMB Direct allows transferring SMB packets over RDMA. If unsure, -- 2.9.0 -- To unsubscribe from this list: send the line "unsubscribe linux-cifs" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html