init: make "mkdir" work even when the directory already exists.
This allows us to change permissions and ownerships of directories
in init scripts without adding additional commands.
Change-Id: I1815d6015953035251b98f28c0f3efd3c7f25f80
diff --git a/init/builtins.c b/init/builtins.c
index bfdd654..06ef96d 100644
--- a/init/builtins.c
+++ b/init/builtins.c
@@ -229,6 +229,7 @@
int do_mkdir(int nargs, char **args)
{
mode_t mode = 0755;
+ int ret;
/* mkdir <path> [mode] [owner] [group] */
@@ -236,7 +237,12 @@
mode = strtoul(args[2], 0, 8);
}
- if (mkdir(args[1], mode)) {
+ ret = mkdir(args[1], mode);
+ /* chmod in case the directory already exists */
+ if (ret == -1 && errno == EEXIST) {
+ ret = chmod(args[1], mode);
+ }
+ if (ret == -1) {
return -errno;
}