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libnvdimm/btt: Remove unnecessary code in btt_freelist_init

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[ Upstream commit 2f8c901115 ]

We call btt_log_read() twice, once to get the 'old' log entry, and again
to get the 'new' entry. However, we have no use for the 'old' entry, so
remove it.

Cc: Dan Williams <dan.j.williams@intel.com>
Signed-off-by: Vishal Verma <vishal.l.verma@intel.com>
Signed-off-by: Dan Williams <dan.j.williams@intel.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Vishal Verma
2019-02-27 17:06:26 -07:00
committed by Greg Kroah-Hartman
parent 5e66a5e2fd
commit 2979da3734
1 changed files with 2 additions and 6 deletions
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8
drivers/nvdimm/btt.c
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@@ -541,9 +541,9 @@ static int arena_clear_freelist_error(struct arena_info *arena, u32 lane)
static int btt_freelist_init(struct arena_info *arena)
{
int old, new, ret;
int new, ret;
u32 i, map_entry;
struct log_entry log_new, log_old;
struct log_entry log_new;
arena->freelist = kcalloc(arena->nfree, sizeof(struct free_entry),
GFP_KERNEL);
@@ -551,10 +551,6 @@ static int btt_freelist_init(struct arena_info *arena)
return -ENOMEM;
for (i = 0; i < arena->nfree; i++) {
old = btt_log_read(arena, i, &log_old, LOG_OLD_ENT);
if (old < 0)
return old;
new = btt_log_read(arena, i, &log_new, LOG_NEW_ENT);
if (new < 0)
return new;