If we don't do that, partitions might still be exposed while the underlying device is gone.
Fixes: 2a74930da57f ("mtd: mtdpart: implement proper partition handling") Signed-off-by: Boris Brezillon boris.brezillon@bootlin.com --- Changes in v3: - None
Changes in v2: - Fix build failures when CONFIG_MTD_PARTITIONS is not enabled --- drivers/mtd/mtdcore.c | 1 + include/linux/mtd/mtd.h | 15 +++++++++++++++ 2 files changed, 16 insertions(+)
diff --git a/drivers/mtd/mtdcore.c b/drivers/mtd/mtdcore.c index 7a15ded8c883..46657fe7c949 100644 --- a/drivers/mtd/mtdcore.c +++ b/drivers/mtd/mtdcore.c @@ -528,6 +528,7 @@ int del_mtd_device(struct mtd_info *mtd) struct mtd_notifier *not; #endif
+ del_mtd_partitions(mtd); mutex_lock(&mtd_table_mutex);
if (idr_find(&mtd_idr, mtd->index) != mtd) { diff --git a/include/linux/mtd/mtd.h b/include/linux/mtd/mtd.h index d20ebd820289..4d0096d9f1d8 100644 --- a/include/linux/mtd/mtd.h +++ b/include/linux/mtd/mtd.h @@ -562,8 +562,23 @@ unsigned mtd_mmap_capabilities(struct mtd_info *mtd); /* drivers/mtd/mtdcore.h */ int add_mtd_device(struct mtd_info *mtd); int del_mtd_device(struct mtd_info *mtd); + +#ifdef CONFIG_MTD_PARTITIONS int add_mtd_partitions(struct mtd_info *, const struct mtd_partition *, int); int del_mtd_partitions(struct mtd_info *); +#else +static inline int add_mtd_partitions(struct mtd_info *mtd, + const struct mtd_partition *parts, + int nparts) +{ + return 0; +} + +static inline int del_mtd_partitions(struct mtd_info *mtd) +{ + return 0; +} +#endif
struct mtd_info *__mtd_next_device(int i); #define mtd_for_each_device(mtd) \