samples: subsys: nvs: unchecked return values CID#203537

The sample contained calls that were not using the return
value, which was detected by Covery Scan as an issue. This
commit fixes it by changing to (void).

Fixes #18378
CID#203537

Signed-off-by: Jennifer Williams <jennifer.m.williams@intel.com>
This commit is contained in:
Jennifer Williams 2020-02-24 16:42:06 -08:00 committed by Johan Hedberg
commit d6373a38af

View file

@ -98,7 +98,7 @@ void main(void)
strcpy(buf, "192.168.1.1"); strcpy(buf, "192.168.1.1");
printk("No address found, adding %s at id %d\n", buf, printk("No address found, adding %s at id %d\n", buf,
ADDRESS_ID); ADDRESS_ID);
nvs_write(&fs, ADDRESS_ID, &buf, strlen(buf)+1); (void)nvs_write(&fs, ADDRESS_ID, &buf, strlen(buf)+1);
} }
/* KEY_ID is used to store a key, lets see if we can read it from flash /* KEY_ID is used to store a key, lets see if we can read it from flash
*/ */
@ -119,7 +119,7 @@ void main(void)
key[5] = 0xFA; key[5] = 0xFA;
key[6] = 0xF9; key[6] = 0xF9;
key[7] = 0xF8; key[7] = 0xF8;
nvs_write(&fs, KEY_ID, &key, sizeof(key)); (void)nvs_write(&fs, KEY_ID, &key, sizeof(key));
} }
/* RBT_CNT_ID is used to store the reboot counter, lets see /* RBT_CNT_ID is used to store the reboot counter, lets see
* if we can read it from flash * if we can read it from flash
@ -131,7 +131,7 @@ void main(void)
} else {/* item was not found, add it */ } else {/* item was not found, add it */
printk("No Reboot counter found, adding it at id %d\n", printk("No Reboot counter found, adding it at id %d\n",
RBT_CNT_ID); RBT_CNT_ID);
nvs_write(&fs, RBT_CNT_ID, &reboot_counter, (void)nvs_write(&fs, RBT_CNT_ID, &reboot_counter,
sizeof(reboot_counter)); sizeof(reboot_counter));
} }
/* STRING_ID is used to store data that will be deleted,lets see /* STRING_ID is used to store data that will be deleted,lets see
@ -145,7 +145,7 @@ void main(void)
STRING_ID, buf); STRING_ID, buf);
/* remove the item if reboot_counter = 10 */ /* remove the item if reboot_counter = 10 */
if (reboot_counter == 10U) { if (reboot_counter == 10U) {
nvs_delete(&fs, STRING_ID); (void)nvs_delete(&fs, STRING_ID);
} }
} else { } else {
/* entry was not found, add it if reboot_counter = 0*/ /* entry was not found, add it if reboot_counter = 0*/
@ -153,7 +153,7 @@ void main(void)
printk("Id: %d not found, adding it\n", printk("Id: %d not found, adding it\n",
STRING_ID); STRING_ID);
strcpy(buf, "DATA"); strcpy(buf, "DATA");
nvs_write(&fs, STRING_ID, &buf, strlen(buf) + 1); (void)nvs_write(&fs, STRING_ID, &buf, strlen(buf) + 1);
} }
} }
@ -176,7 +176,8 @@ void main(void)
for (int n = 0; n < sizeof(longarray); n++) { for (int n = 0; n < sizeof(longarray); n++) {
longarray[n] = n; longarray[n] = n;
} }
nvs_write(&fs, LONG_ID, &longarray, sizeof(longarray)); (void)nvs_write(
&fs, LONG_ID, &longarray, sizeof(longarray));
} }
} }
@ -215,7 +216,7 @@ void main(void)
if (cnt == 0) { if (cnt == 0) {
printk("\n"); printk("\n");
reboot_counter++; reboot_counter++;
nvs_write( (void)nvs_write(
&fs, RBT_CNT_ID, &reboot_counter, &fs, RBT_CNT_ID, &reboot_counter,
sizeof(reboot_counter)); sizeof(reboot_counter));
if (reboot_counter == MAX_REBOOT) { if (reboot_counter == MAX_REBOOT) {
@ -227,7 +228,7 @@ void main(void)
printk("Reboot counter reached max value.\n"); printk("Reboot counter reached max value.\n");
printk("Reset to 0 and exit test.\n"); printk("Reset to 0 and exit test.\n");
reboot_counter = 0U; reboot_counter = 0U;
nvs_write(&fs, RBT_CNT_ID, &reboot_counter, (void)nvs_write(&fs, RBT_CNT_ID, &reboot_counter,
sizeof(reboot_counter)); sizeof(reboot_counter));
break; break;
} }