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cleanup: using max args consistently

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Define and use MAX_PDATA_ARGS for thin_repair and cache_repair consistently.
This commit is contained in:
Zdenek Kabelac 2017-11-21 17:36:09 +01:00
parent 54741aeac5
commit b0398f42ad
1 changed files with 8 additions and 6 deletions
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14
tools/lvconvert.c
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@ -18,6 +18,8 @@
#include "lv_alloc.h"
#include "lvconvert_poll.h"
#define MAX_PDATA_ARGS 10 /* Max number of accepted args for d-m-p-d tools */
typedef enum {
/* Split:
* For a mirrored or raid LV, split mirror into two mirrors, optionally tracking
@ -2204,7 +2206,7 @@ static int _lvconvert_thin_pool_repair(struct cmd_context *cmd,
const struct dm_config_value *cv;
int ret = 0, status;
int args = 0;
const char *argv[19]; /* Max supported 10 args */
const char *argv[MAX_PDATA_ARGS + 7]; /* Max supported args */
char *dm_name, *trans_id_str;
char meta_path[PATH_MAX];
char pms_path[PATH_MAX];
@ -2250,7 +2252,7 @@ static int _lvconvert_thin_pool_repair(struct cmd_context *cmd,
return 0;
}
for (cv = cn->v; cv && args < 16; cv = cv->next) {
for (cv = cn->v; cv && args < MAX_PDATA_ARGS; cv = cv->next) {
if (cv->type != DM_CFG_STRING) {
log_error("Invalid string in config file: "
"global/thin_repair_options");
@ -2259,7 +2261,7 @@ static int _lvconvert_thin_pool_repair(struct cmd_context *cmd,
argv[++args] = cv->v.str;
}
if (args == 10) {
if (args >= MAX_PDATA_ARGS) {
log_error("Too many options for thin repair command.");
return 0;
}
@ -2401,7 +2403,7 @@ static int _lvconvert_cache_repair(struct cmd_context *cmd,
const struct dm_config_value *cv;
int ret = 0, status;
int args = 0;
const char *argv[19]; /* Max supported 10 args */
const char *argv[MAX_PDATA_ARGS + 7]; /* Max supported args */
char *dm_name;
char meta_path[PATH_MAX];
char pms_path[PATH_MAX];
@ -2448,7 +2450,7 @@ static int _lvconvert_cache_repair(struct cmd_context *cmd,
return 0;
}
for (cv = cn->v; cv && args < 16; cv = cv->next) {
for (cv = cn->v; cv && args < MAX_PDATA_ARGS; cv = cv->next) {
if (cv->type != DM_CFG_STRING) {
log_error("Invalid string in config file: "
"global/cache_repair_options");
@ -2457,7 +2459,7 @@ static int _lvconvert_cache_repair(struct cmd_context *cmd,
argv[++args] = cv->v.str;
}
if (args == 10) {
if (args >= MAX_PDATA_ARGS) {
log_error("Too many options for cache repair command.");
return 0;
}