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mdev: fix "foo 0:0 444 >bar/baz" rule handling. make_device() +23 bytes

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This commit is contained in:
Denis Vlasenko
2008-03-29 15:11:07 +00:00
parent 4461564c77
commit cae11b51aa
2 changed files with 51 additions and 12 deletions
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27
util-linux/mdev.c
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@ -203,21 +203,26 @@ static void make_device(char *path, int delete)
if (ENABLE_FEATURE_MDEV_RENAME && alias) {
char *dest;
/* ">bar/": rename to bar/device_name */
/* ">bar[/]baz": rename to bar[/]baz */
dest = strrchr(alias, '/');
if (dest) {
if (dest[1] != '\0')
/* given a file name, so rename it */
*dest = '\0';
if (dest) { /* ">bar/[baz]" ? */
*dest = '\0'; /* mkdir bar */
bb_make_directory(alias, 0755, FILEUTILS_RECUR);
dest = concat_path_file(alias, device_name);
free(alias);
} else
dest = alias;
*dest = '/';
if (dest[1] == '\0') { /* ">bar/" => ">bar/device_name" */
dest = alias;
alias = concat_path_file(alias, device_name);
free(dest);
}
}
rename(device_name, dest);
symlink(dest, device_name);
/* recreate device_name as a symlink to moved device node */
if (rename(device_name, alias) == 0) {
symlink(alias, device_name);
}
free(dest);
free(alias);
}
}
}