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| author | Linus Torvalds <torvalds@linux-foundation.org> | 2023-10-02 14:10:46 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2023-10-02 14:10:46 -0700 |
| commit | ce36c8b149873b50f2a4b9818eb3dcdd74ddd5a3 (patch) | |
| tree | 87c43c3ca6543ec60ad421325d001dbb14028fa7 | |
| parent | a9c2be4f3730961fdda03d226d783e444babe6f2 (diff) | |
| parent | 017c73a34a661a861712f7cc1393a123e5b2208c (diff) | |
| download | linux-ce36c8b149873b50f2a4b9818eb3dcdd74ddd5a3.tar.gz | |
Merge tag 'ubifs-for-linus-6.6-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/rw/ubifs
Pull UBI fix from Richard Weinberger:
- Don't try to attach MTDs with erase block size 0
* tag 'ubifs-for-linus-6.6-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/rw/ubifs:
ubi: Refuse attaching if mtd's erasesize is 0
| -rw-r--r-- | drivers/mtd/ubi/build.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/drivers/mtd/ubi/build.c b/drivers/mtd/ubi/build.c index 8b91a55ec0d288..8ee51e49fced55 100644 --- a/drivers/mtd/ubi/build.c +++ b/drivers/mtd/ubi/build.c @@ -894,6 +894,13 @@ int ubi_attach_mtd_dev(struct mtd_info *mtd, int ubi_num, return -EINVAL; } + /* UBI cannot work on flashes with zero erasesize. */ + if (!mtd->erasesize) { + pr_err("ubi: refuse attaching mtd%d - zero erasesize flash is not supported\n", + mtd->index); + return -EINVAL; + } + if (ubi_num == UBI_DEV_NUM_AUTO) { /* Search for an empty slot in the @ubi_devices array */ for (ubi_num = 0; ubi_num < UBI_MAX_DEVICES; ubi_num++) |