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| author | Ingo Molnar <mingo@kernel.org> | 2024-04-09 09:48:09 +0200 |
|---|---|---|
| committer | Ingo Molnar <mingo@kernel.org> | 2024-04-09 09:48:09 +0200 |
| commit | d1eec383a8abe348b5ce72df9e96bff3d9039134 (patch) | |
| tree | 6ea912eb2d4f2bee8301a04ebf82283805218ebf /drivers/mtd/ubi/eba.c | |
| parent | x86/tsc: Make __use_tsc __ro_after_init (diff) | |
| parent | Linux 6.9-rc3 (diff) | |
| download | linux-d1eec383a8abe348b5ce72df9e96bff3d9039134.tar.xz linux-d1eec383a8abe348b5ce72df9e96bff3d9039134.zip | |
Merge tag 'v6.9-rc3' into locking/core, to pick up fixes
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'drivers/mtd/ubi/eba.c')
| -rw-r--r-- | drivers/mtd/ubi/eba.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/drivers/mtd/ubi/eba.c b/drivers/mtd/ubi/eba.c index 8d1f0e05892c..e5ac3cd0bbae 100644 --- a/drivers/mtd/ubi/eba.c +++ b/drivers/mtd/ubi/eba.c @@ -1456,7 +1456,14 @@ int ubi_eba_copy_leb(struct ubi_device *ubi, int from, int to, } ubi_assert(vol->eba_tbl->entries[lnum].pnum == from); + + /** + * The volumes_lock lock is needed here to prevent the expired old eba_tbl + * being updated when the eba_tbl is copied in the ubi_resize_volume() process. + */ + spin_lock(&ubi->volumes_lock); vol->eba_tbl->entries[lnum].pnum = to; + spin_unlock(&ubi->volumes_lock); out_unlock_buf: mutex_unlock(&ubi->buf_mutex); |