diff options
| author | Arve Hjønnevåg <arve@android.com> | 2012-12-05 21:19:51 -0800 |
|---|---|---|
| committer | Arve Hjønnevåg <arve@android.com> | 2013-04-29 14:52:28 -0700 |
| commit | 9cfe54fdde629e73deef198c165b14a75df0be47 (patch) | |
| tree | 939e314045bca41a8bb23b39c1fa4d6b9716db11 | |
| parent | 29b1620b5b94ea6ab5590c404b795fad49bbe87d (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>
| -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 753a8d3891f..621d20ce64d 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 c6f641c1017..59337326e28 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", |