suffix ? suffix : "" appears three times, it's easy to get rid of it by initialize the local variable "suffix" to empty string.
To avoid having rows that exceed 80 columns, add a new local variable "region_id". No functional change, but it can reduce the code size. Before: text data bss dec hex filename 41749 3697 16 45462 b196 drivers/nvdimm/namespace_devs.o After: text data bss dec hex filename 41653 3697 16 45366 b136 drivers/nvdimm/namespace_devs.o Signed-off-by: Zhen Lei <[email protected]> --- drivers/nvdimm/namespace_devs.c | 12 +++++------- 1 file changed, 5 insertions(+), 7 deletions(-) diff --git a/drivers/nvdimm/namespace_devs.c b/drivers/nvdimm/namespace_devs.c index 6da67f4d641a27c..ef2800c5da4c99c 100644 --- a/drivers/nvdimm/namespace_devs.c +++ b/drivers/nvdimm/namespace_devs.c @@ -157,7 +157,8 @@ const char *nvdimm_namespace_disk_name(struct nd_namespace_common *ndns, char *name) { struct nd_region *nd_region = to_nd_region(ndns->dev.parent); - const char *suffix = NULL; + const char *suffix = ""; + int region_id = nd_region->id; if (ndns->claim && is_nd_btt(ndns->claim)) suffix = "s"; @@ -173,17 +174,14 @@ const char *nvdimm_namespace_disk_name(struct nd_namespace_common *ndns, } if (nsidx) - sprintf(name, "pmem%d.%d%s", nd_region->id, nsidx, - suffix ? suffix : ""); + sprintf(name, "pmem%d.%d%s", region_id, nsidx, suffix); else - sprintf(name, "pmem%d%s", nd_region->id, - suffix ? suffix : ""); + sprintf(name, "pmem%d%s", region_id, suffix); } else if (is_namespace_blk(&ndns->dev)) { struct nd_namespace_blk *nsblk; nsblk = to_nd_namespace_blk(&ndns->dev); - sprintf(name, "ndblk%d.%d%s", nd_region->id, nsblk->id, - suffix ? suffix : ""); + sprintf(name, "ndblk%d.%d%s", region_id, nsblk->id, suffix); } else { return NULL; } -- 1.8.3
