diff options
Diffstat (limited to 'util-linux')
| -rw-r--r-- | util-linux/mdev.c | 16 |
1 files changed, 9 insertions, 7 deletions
diff --git a/util-linux/mdev.c b/util-linux/mdev.c index 7c1223d..b6ca004 100644 --- a/util-linux/mdev.c +++ b/util-linux/mdev.c @@ -37,18 +37,19 @@ static void make_device(char *path, int delete) * because sscanf() will stop at the first nondigit, which \n is. We * also depend on path having writeable space after it. */ - strcat(path, "/dev"); - fd = open(path, O_RDONLY); - len = read(fd, temp + 1, 64); - *temp++ = 0; - close(fd); - if (len < 1) return; + if (!delete) { + strcat(path, "/dev"); + fd = open(path, O_RDONLY); + len = read(fd, temp + 1, 64); + *temp++ = 0; + close(fd); + if (len < 1) return; + } /* Determine device name, type, major and minor */ device_name = strrchr(path, '/') + 1; type = path[5]=='c' ? S_IFCHR : S_IFBLK; - if (sscanf(temp, "%d:%d", &major, &minor) != 2) return; /* If we have a config file, look up permissions for this device */ @@ -164,6 +165,7 @@ static void make_device(char *path, int delete) umask(0); if (!delete) { + if (sscanf(temp, "%d:%d", &major, &minor) != 2) return; if (mknod(device_name, mode | type, makedev(major, minor)) && errno != EEXIST) bb_perror_msg_and_die("mknod %s failed", device_name); |