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hints: no need to check for NULL before free

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free() itself checks for NULL.
This commit is contained in:
Zdenek Kabelac 2019-11-14 17:17:09 +01:00
parent 9af1d63b4d
commit 1760b96368
1 changed files with 6 additions and 12 deletions
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6
lib/label/hints.c
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@ -688,12 +688,10 @@ static int _read_hint_file(struct cmd_context *cmd, struct dm_list *hints, int *
_filter_to_str(cmd, devices_global_filter_CFG, &filter_str);
if (!filter_str || strcmp(filter_str, _hint_line + keylen)) {
log_debug("ignore hints with different global_filter");
if (filter_str)
free(filter_str);
*needs_refresh = 1;
break;
}
if (filter_str)
free(filter_str);
continue;
}
@ -703,12 +701,10 @@ static int _read_hint_file(struct cmd_context *cmd, struct dm_list *hints, int *
_filter_to_str(cmd, devices_filter_CFG, &filter_str);
if (!filter_str || strcmp(filter_str, _hint_line + keylen)) {
log_debug("ignore hints with different filter");
if (filter_str)
free(filter_str);
*needs_refresh = 1;
break;
}
if (filter_str)
free(filter_str);
continue;
}
@ -907,12 +903,10 @@ int write_hint_file(struct cmd_context *cmd, int newhints)
_filter_to_str(cmd, devices_global_filter_CFG, &filter_str);
fprintf(fp, "global_filter:%s\n", filter_str ?: "-");
if (filter_str)
free(filter_str);
_filter_to_str(cmd, devices_filter_CFG, &filter_str);
fprintf(fp, "filter:%s\n", filter_str ?: "-");
if (filter_str)
free(filter_str);
fprintf(fp, "scan_lvs:%d\n", cmd->scan_lvs);