From: Dan Williams Date: Fri, 10 Jul 2015 17:06:12 +0000 (-0600) Subject: tools/testing/nvdimm: fix return code for unimplemented commands X-Git-Tag: firefly_0821_release~176^2~1433^2~3 X-Git-Url: http://plrg.eecs.uci.edu/git/?a=commitdiff_plain;h=f7ec83684af020c961d7fab801f8e3ef7ce5de33;p=firefly-linux-kernel-4.4.55.git tools/testing/nvdimm: fix return code for unimplemented commands The implementation for the new "DIMM Flags" DSM relies on the -ENOTTY return code to indicate that the flags are unimplimented and to fall back to a safe default. As is the -ENXIO error code erroneoously indicates to fail enabling a BLK region. Signed-off-by: Dan Williams --- diff --git a/tools/testing/nvdimm/test/nfit.c b/tools/testing/nvdimm/test/nfit.c index 4b69b8368de0..092d4724fe16 100644 --- a/tools/testing/nvdimm/test/nfit.c +++ b/tools/testing/nvdimm/test/nfit.c @@ -155,7 +155,7 @@ static int nfit_test_ctl(struct nvdimm_bus_descriptor *nd_desc, int i, rc; if (!nfit_mem || !test_bit(cmd, &nfit_mem->dsm_mask)) - return -ENXIO; + return -ENOTTY; /* lookup label space for the given dimm */ for (i = 0; i < ARRAY_SIZE(handle); i++)