From 97052c1c31d5bcf08823ce1ea272447edd2d52de Mon Sep 17 00:00:00 2001 From: Dan Williams Date: Thu, 11 Oct 2018 18:25:20 -0700 Subject: [PATCH] libnvdimm, label: Fix sparse warning The kbuild robot reports: drivers/nvdimm/label.c:500:32: warning: restricted __le32 degrades to integer ...read 'nslot' into a local u32. Reported-by: kbuild test robot Acked-by: Alexander Duyck Signed-off-by: Dan Williams --- drivers/nvdimm/label.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/drivers/nvdimm/label.c b/drivers/nvdimm/label.c index 7f03d117824f..750dbaa6ce82 100644 --- a/drivers/nvdimm/label.c +++ b/drivers/nvdimm/label.c @@ -424,6 +424,7 @@ int nd_label_data_init(struct nvdimm_drvdata *ndd) struct nd_namespace_index *nsindex; unsigned int i; int rc = 0; + u32 nslot; if (ndd->data) return 0; @@ -495,9 +496,10 @@ int nd_label_data_init(struct nvdimm_drvdata *ndd) /* Determine starting offset for label data */ offset = __le64_to_cpu(nsindex->labeloff); + nslot = __le32_to_cpu(nsindex->nslot); /* Loop through the free list pulling in any active labels */ - for (i = 0; i < nsindex->nslot; i++, offset += ndd->nslabel_size) { + for (i = 0; i < nslot; i++, offset += ndd->nslabel_size) { size_t label_read_size; /* zero out the unused labels */