diff options
| author | Arve Hjønnevåg <arve@android.com> | 2012-12-06 06:19:51 +0100 |
|---|---|---|
| committer | Anton Vorontsov <anton@enomsg.org> | 2013-04-04 06:50:10 +0200 |
| commit | bd08ec33b5c23833581e5a36b2a69ccae6b39a28 (patch) | |
| tree | 36da2618929a667d13b1a9408c2e9427cf32456c /fs/pstore/ram.c | |
| parent | pstore/ram: Allow specifying ecc parameters in platform data (diff) | |
| download | linux-bd08ec33b5c23833581e5a36b2a69ccae6b39a28.tar.xz linux-bd08ec33b5c23833581e5a36b2a69ccae6b39a28.zip | |
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>
Signed-off-by: John Stultz <john.stultz@linaro.org>
Acked-by: Kees Cook <keescook@chromium.org>
Signed-off-by: Anton Vorontsov <anton@enomsg.org>
Diffstat (limited to 'fs/pstore/ram.c')
| -rw-r--r-- | fs/pstore/ram.c | 12 |
1 files changed, 10 insertions, 2 deletions
diff --git a/fs/pstore/ram.c b/fs/pstore/ram.c index a5ee252c264e..32cbd7c8a90c 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; @@ -156,11 +157,18 @@ static ssize_t ramoops_pstore_read(u64 *id, enum pstore_type_id *type, time->tv_nsec = 0; size = persistent_ram_old_size(prz); - *buf = kmemdup(persistent_ram_old(prz), 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; - return size; + memcpy(*buf, persistent_ram_old(prz), size); + persistent_ram_ecc_string(prz, *buf + size, ecc_notice_size + 1); + + return size + ecc_notice_size; } static size_t ramoops_write_kmsg_hdr(struct persistent_ram_zone *prz) |