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Merge tag 'ubifs-for-linus-6.6-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/rw/ubifs

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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
This commit is contained in:
Linus Torvalds
2023-10-02 14:10:46 -07:00
parent a9c2be4f37 017c73a34a
commit ce36c8b149
1 changed files with 7 additions and 0 deletions
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7
drivers/mtd/ubi/build.c
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@@ -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++)