diff options
author | Arve Hjønnevåg <arve@android.com> | 2012-12-05 21:19:51 -0800 |
---|---|---|
committer | Arve Hjønnevåg <arve@android.com> | 2013-03-11 16:20:28 -0700 |
commit | c973f0ea63fe08dafb8bc7291c8582d3bb164b9f (patch) | |
tree | e4180e01ada1d9d76d7872227c0e925934b815ab /fs | |
parent | 2a3173ae3c476aceb08aee82d98c05c9501531de (diff) |
pstore/ram: Restore ecc information block
This was lost when proc/last_kmsg moved to pstore/console-ramoops.
Signed-off-by: Arve Hjønnevåg <arve@android.com>
Diffstat (limited to 'fs')
-rw-r--r-- | fs/pstore/ram.c | 9 | ||||
-rw-r--r-- | fs/pstore/ram_core.c | 3 |
2 files changed, 10 insertions, 2 deletions
diff --git a/fs/pstore/ram.c b/fs/pstore/ram.c index 753a8d3891fc..621d20ce64de 100644 --- a/fs/pstore/ram.c +++ b/fs/pstore/ram.c @@ -136,6 +136,7 @@ static ssize_t ramoops_pstore_read(u64 *id, enum pstore_type_id *type, char **buf, struct pstore_info *psi) { ssize_t size; + ssize_t ecc_notice_size; struct ramoops_context *cxt = psi->data; struct persistent_ram_zone *prz; @@ -156,12 +157,16 @@ static ssize_t ramoops_pstore_read(u64 *id, enum pstore_type_id *type, time->tv_nsec = 0; size = persistent_ram_old_size(prz); - *buf = kmalloc(size, GFP_KERNEL); + + /* ECC correction notice */ + ecc_notice_size = persistent_ram_ecc_string(prz, NULL, 0); + *buf = kmalloc(size + ecc_notice_size + 1, GFP_KERNEL); if (*buf == NULL) return -ENOMEM; memcpy(*buf, persistent_ram_old(prz), size); + persistent_ram_ecc_string(prz, *buf + size, ecc_notice_size + 1); - return size; + return size + ecc_notice_size; } static size_t ramoops_write_kmsg_hdr(struct persistent_ram_zone *prz) diff --git a/fs/pstore/ram_core.c b/fs/pstore/ram_core.c index c6f641c10179..59337326e288 100644 --- a/fs/pstore/ram_core.c +++ b/fs/pstore/ram_core.c @@ -235,6 +235,9 @@ ssize_t persistent_ram_ecc_string(struct persistent_ram_zone *prz, { ssize_t ret; + if (!prz->ecc_info.ecc_size) + return 0; + if (prz->corrected_bytes || prz->bad_blocks) ret = snprintf(str, len, "" "\n%d Corrected bytes, %d unrecoverable blocks\n", |