libnvdimm/namespace: Clean up holder_class_store()

Use sysfs_streq() in place of open-coded strcmp()'s that check for an
optional "\n" at the end of the input.

Reviewed-by: Vishal Verma <vishal.l.verma@intel.com>
Signed-off-by: Dan Williams <dan.j.williams@intel.com>
This commit is contained in:
Dan Williams 2019-03-04 12:14:04 -08:00
parent 316720b9c2
commit 075c3fdd56
1 changed files with 4 additions and 4 deletions

View File

@ -1506,13 +1506,13 @@ static ssize_t __holder_class_store(struct device *dev, const char *buf)
if (dev->driver || ndns->claim)
return -EBUSY;
if (strcmp(buf, "btt") == 0 || strcmp(buf, "btt\n") == 0)
if (sysfs_streq(buf, "btt"))
ndns->claim_class = btt_claim_class(dev);
else if (strcmp(buf, "pfn") == 0 || strcmp(buf, "pfn\n") == 0)
else if (sysfs_streq(buf, "pfn"))
ndns->claim_class = NVDIMM_CCLASS_PFN;
else if (strcmp(buf, "dax") == 0 || strcmp(buf, "dax\n") == 0)
else if (sysfs_streq(buf, "dax"))
ndns->claim_class = NVDIMM_CCLASS_DAX;
else if (strcmp(buf, "") == 0 || strcmp(buf, "\n") == 0)
else if (sysfs_streq(buf, ""))
ndns->claim_class = NVDIMM_CCLASS_NONE;
else
return -EINVAL;