diff options
Diffstat (limited to 'drivers/staging/greybus/module.c')
| -rw-r--r-- | drivers/staging/greybus/module.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/drivers/staging/greybus/module.c b/drivers/staging/greybus/module.c index f9415c0f735e..54e8f9e68d25 100644 --- a/drivers/staging/greybus/module.c +++ b/drivers/staging/greybus/module.c @@ -70,6 +70,13 @@ struct gb_module *gb_module_create(struct greybus_host_device *hd, u8 module_id) struct gb_module *gmod; int retval; + gmod = gb_module_find(hd, module_id); + if (gmod) { + dev_err(hd->parent, "Duplicate module id %d will not be created\n", + module_id); + return NULL; + } + gmod = kzalloc(sizeof(*gmod), GFP_KERNEL); if (!gmod) return NULL; |