releasing package exfatprogs version 1.2.3-1

[sven/exfatprogs.git] / tune / tune.c

diff --git a/tune/tune.c b/tune/tune.c
index f883556c794ed2bcfd82b9837a6c2f7e62298443..4966e0a1783a1815e8d0aef61ab0613f584e2155 100644 (file)
--- a/tune/tune.c
+++ b/tune/tune.c
@@ -49,6 +49,7 @@ int main(int argc, char *argv[])
 {
        int c;
        int ret = EXIT_FAILURE;
+       unsigned long volume_serial;
        struct exfat_blk_dev bd;
        struct exfat_user_input ui;
        bool version_only = false;
@@ -85,7 +86,17 @@ int main(int argc, char *argv[])
                        flags = EXFAT_GET_VOLUME_SERIAL;
                        break;
                case 'I':
-                       ui.volume_serial = strtoul(optarg, NULL, 0);
+                       ret = exfat_parse_ulong(optarg, &volume_serial);
+                       if (volume_serial > UINT_MAX)
+                               ret = -ERANGE;
+
+
+                       if (ret < 0) {
+                               exfat_err("invalid serial number(%s)\n", optarg);
+                               goto out;
+                       }
+
+                       ui.volume_serial = volume_serial;
                        flags = EXFAT_SET_VOLUME_SERIAL;
                        break;
                case 'V':
@@ -129,7 +140,6 @@ int main(int argc, char *argv[])
 
        exfat = exfat_alloc_exfat(&bd, bs);
        if (!exfat) {
-               free(bs);
                ret = -ENOMEM;
                goto close_fd_out;
        }