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-rw-r--r--lib/metadata/mirror.c11
1 files changed, 4 insertions, 7 deletions
diff --git a/lib/metadata/mirror.c b/lib/metadata/mirror.c
index 32b236cf..95d07bda 100644
--- a/lib/metadata/mirror.c
+++ b/lib/metadata/mirror.c
@@ -1785,13 +1785,10 @@ static struct logical_volume *_set_up_mirror_log(struct cmd_context *cmd,
lv_name = lv->name;
suffix = "_mlogtmp_%d";
} else if ((lv_name = strstr(lv->name, MIRROR_SYNC_LAYER))) {
- len = lv_name - lv->name + 1;
- if (!(tmp_name = alloca(len)) ||
- (dm_snprintf(tmp_name, len, "%s", lv->name) < 0)) {
- log_error("mirror log name allocation failed");
- return 0;
- }
- lv_name = tmp_name;
+ len = lv_name - lv->name;
+ tmp_name = alloca(len + 1);
+ tmp_name[len] = '\0';
+ lv_name = strncpy(tmp_name, lv->name, len);
suffix = "_mlog";
} else {
lv_name = lv->name;