diff options
Diffstat (limited to 'drivers/mtd')
| -rw-r--r-- | drivers/mtd/mtdcore.c | 10 |
1 files changed, 9 insertions, 1 deletions
diff --git a/drivers/mtd/mtdcore.c b/drivers/mtd/mtdcore.c index cbc0fc4..52eea93 100644 --- a/drivers/mtd/mtdcore.c +++ b/drivers/mtd/mtdcore.c @@ -577,7 +577,15 @@ int mtd_device_parse_register(struct mtd_info *mtd, const char * const *types, err = -ENODEV; } - if (mtd->_reboot) { + /* + * FIXME: some drivers unfortunately call this function more than once. + * So we have to check if we've already assigned the reboot notifier. + * + * Generally, we can make multiple calls work for most cases, but it + * does cause problems with parse_mtd_partitions() above (e.g., + * cmdlineparts will register partitions more than once). + */ + if (mtd->_reboot && !mtd->reboot_notifier.notifier_call) { mtd->reboot_notifier.notifier_call = mtd_reboot_notifier; register_reboot_notifier(&mtd->reboot_notifier); } |