Dan Carpenter reported:
The patch 006358b35c73: "libnvdimm: add support for clear poison list
and badblocks for device dax" from Apr 7, 2017, leads to the
following static checker warning:
drivers/nvdimm/bus.c:852 nd_pmem_forget_poison_check()
warn: we tested 'nd_dax' before and it was 'false'
Remove unused code.
Reported-by: Dan Carpenter <[email protected]>
Signed-off-by: Dave Jiang <[email protected]>
---
drivers/nvdimm/bus.c | 4 +---
1 file changed, 1 insertion(+), 3 deletions(-)
diff --git a/drivers/nvdimm/bus.c b/drivers/nvdimm/bus.c
index baf2839..c042174 100644
--- a/drivers/nvdimm/bus.c
+++ b/drivers/nvdimm/bus.c
@@ -849,13 +849,11 @@ static int nd_pmem_forget_poison_check(struct device
*dev, void *data)
start = clear_err->address;
end = clear_err->address + clear_err->cleared - 1;
- if (nd_btt || nd_pfn || nd_dax) {
+ if (nd_btt || nd_pfn) {
if (nd_btt)
ndns = nd_btt->ndns;
else if (nd_pfn)
ndns = nd_pfn->ndns;
- else if (nd_dax)
- ndns = nd_dax->nd_pfn.ndns;
if (!ndns)
return 0;
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