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| author | Linus Torvalds <torvalds@linux-foundation.org> | 2018-11-30 20:03:15 +0300 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2018-11-30 20:03:15 +0300 |
| commit | e9eaf72e73d6159afbf90a9a02c24f2099067992 (patch) | |
| tree | 7ce11273cf7e6e999c5053464e994b4a269e756f /include | |
| parent | 2b17992f6f7ff4f4b72d7d3ee3e93d228682508f (diff) | |
| parent | 89d328f637b9904b6d4c9af73c8a608b8dd4d6f8 (diff) | |
| download | linux-e9eaf72e73d6159afbf90a9a02c24f2099067992.tar.xz | |
Merge tag 'pstore-v4.20-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/kees/linux
Pull pstore fix from Kees Cook:
"Fix corrupted compression due to unlucky size choice with ECC"
* tag 'pstore-v4.20-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/kees/linux:
pstore/ram: Correctly calculate usable PRZ bytes
Diffstat (limited to 'include')
| -rw-r--r-- | include/linux/pstore.h | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/include/linux/pstore.h b/include/linux/pstore.h index a15bc4d48752..30fcec375a3a 100644 --- a/include/linux/pstore.h +++ b/include/linux/pstore.h @@ -90,7 +90,10 @@ struct pstore_record { * * @buf_lock: spinlock to serialize access to @buf * @buf: preallocated crash dump buffer - * @bufsize: size of @buf available for crash dump writes + * @bufsize: size of @buf available for crash dump bytes (must match + * smallest number of bytes available for writing to a + * backend entry, since compressed bytes don't take kindly + * to being truncated) * * @read_mutex: serializes @open, @read, @close, and @erase callbacks * @flags: bitfield of frontends the backend can accept writes for |