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author | Linus Torvalds <torvalds@linux-foundation.org> | 2020-12-17 17:46:34 -0800 |
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committer | Linus Torvalds <torvalds@linux-foundation.org> | 2020-12-17 17:46:34 -0800 |
commit | 787fec8ac15cc693b9a7bc1b4a338b92483d993c (patch) | |
tree | 691ec33f3b66aee1f53117c09764c702eff718b1 /drivers/mtd | |
parent | e13300bdaa68f5487000e66baed1ff69bcb510bf (diff) | |
parent | b80a974b8c58164ed57b0f025a47b8f003198d9e (diff) |
Merge tag 'for-linus-5.11-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rw/ubifs
Pull jffs2, ubi and ubifs updates from Richard Weinberger:
"JFFS2:
- Fix for a remount regression
- Fix for an abnormal GC exit
- Fix for a possible NULL pointer issue while mounting
UBI:
- Add support ECC-ed NOR flash
- Removal of dead code
UBIFS:
- Make node dumping debug code more reliable
- Various cleanups: less ifdefs, less typos
- Fix for an info leak"
* tag 'for-linus-5.11-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rw/ubifs:
ubifs: ubifs_dump_node: Dump all branches of the index node
ubifs: ubifs_dump_sleb: Remove unused function
ubifs: Pass node length in all node dumping callers
Revert "ubifs: Fix out-of-bounds memory access caused by abnormal value of node_len"
ubifs: Limit dumping length by size of memory which is allocated for the node
ubifs: Remove the redundant return in dbg_check_nondata_nodes_order
jffs2: Fix NULL pointer dereference in rp_size fs option parsing
ubifs: Fixed print foramt mismatch in ubifs
ubi: Do not zero out EC and VID on ECC-ed NOR flashes
jffs2: remove trailing semicolon in macro definition
ubifs: Fix error return code in ubifs_init_authentication()
ubifs: wbuf: Don't leak kernel memory to flash
ubi: Remove useless code in bytes_str_to_int
ubifs: Fix the printing type of c->big_lpt
jffs2: Allow setting rp_size to zero during remounting
jffs2: Fix ignoring mounting options problem during remounting
jffs2: Fix GC exit abnormally
ubifs: Code cleanup by removing ifdef macro surrounding
jffs2: Fix if/else empty body warnings
ubifs: Delete duplicated words + other fixes
Diffstat (limited to 'drivers/mtd')
-rw-r--r-- | drivers/mtd/ubi/build.c | 6 | ||||
-rw-r--r-- | drivers/mtd/ubi/io.c | 9 |
2 files changed, 9 insertions, 6 deletions
diff --git a/drivers/mtd/ubi/build.c b/drivers/mtd/ubi/build.c index 40fa994ad6a8..f399edc82191 100644 --- a/drivers/mtd/ubi/build.c +++ b/drivers/mtd/ubi/build.c @@ -629,10 +629,8 @@ static int io_init(struct ubi_device *ubi, int max_beb_per1024) ubi->bad_peb_limit = get_bad_peb_limit(ubi, max_beb_per1024); } - if (ubi->mtd->type == MTD_NORFLASH) { - ubi_assert(ubi->mtd->writesize == 1); + if (ubi->mtd->type == MTD_NORFLASH) ubi->nor_flash = 1; - } ubi->min_io_size = ubi->mtd->writesize; ubi->hdrs_min_io_size = ubi->mtd->writesize >> ubi->mtd->subpage_sft; @@ -1352,8 +1350,6 @@ static int bytes_str_to_int(const char *str) fallthrough; case 'K': result *= 1024; - if (endp[1] == 'i' && endp[2] == 'B') - endp += 2; case '\0': break; default: diff --git a/drivers/mtd/ubi/io.c b/drivers/mtd/ubi/io.c index 14d890b00d2c..2f3312c31e51 100644 --- a/drivers/mtd/ubi/io.c +++ b/drivers/mtd/ubi/io.c @@ -535,7 +535,14 @@ int ubi_io_sync_erase(struct ubi_device *ubi, int pnum, int torture) return -EROFS; } - if (ubi->nor_flash) { + /* + * If the flash is ECC-ed then we have to erase the ECC block before we + * can write to it. But the write is in preparation to an erase in the + * first place. This means we cannot zero out EC and VID before the + * erase and we just have to hope the flash starts erasing from the + * start of the page. + */ + if (ubi->nor_flash && ubi->mtd->writesize == 1) { err = nor_erase_prepare(ubi, pnum); if (err) return err; |