diff options
author | Denis Vlasenko <vda.linux@googlemail.com> | 2007-06-08 20:18:15 +0400 |
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committer | Denis Vlasenko <vda.linux@googlemail.com> | 2007-06-08 20:18:15 +0400 |
commit | d6766c71a95b35ef12b9adbec9d32b0ca91fba74 (patch) | |
tree | 6e64125dfdb4a87898e0edfe7a630f0069b1d165 /util-linux | |
parent | 9acfed2d14cb8b2310fd3bb56ceed589a9348912 (diff) |
mdev: microscopic enhancement, should change nothing
Diffstat (limited to 'util-linux')
-rw-r--r-- | util-linux/mdev.c | 14 |
1 files changed, 6 insertions, 8 deletions
diff --git a/util-linux/mdev.c b/util-linux/mdev.c index cc729e72a..d1b2684bc 100644 --- a/util-linux/mdev.c +++ b/util-linux/mdev.c @@ -178,17 +178,15 @@ static void make_device(char *path, int delete) if (ENABLE_FEATURE_MDEV_CONF) chown(device_name, uid, gid); } if (command) { - int rc; - char *s; - - s = xasprintf("MDEV=%s", device_name); - putenv(s); - rc = system(command); - s[4] = 0; + /* setenv will leak memory, so use putenv */ + char *s = xasprintf("MDEV=%s", device_name); putenv(s); + if (system(command) == -1) + bb_perror_msg_and_die("cannot run %s", command); + s[4] = '\0'; + unsetenv(s); free(s); free(command); - if (rc == -1) bb_perror_msg_and_die("cannot run %s", command); } if (delete) unlink(device_name); } |