diff options
Diffstat (limited to 'fs/pstore')
| -rw-r--r-- | fs/pstore/platform.c | 4 | ||||
| -rw-r--r-- | fs/pstore/ram_core.c | 5 |
2 files changed, 7 insertions, 2 deletions
diff --git a/fs/pstore/platform.c b/fs/pstore/platform.c index 43033a3d66d5..2434bffbc6dd 100644 --- a/fs/pstore/platform.c +++ b/fs/pstore/platform.c @@ -584,8 +584,8 @@ static void pstore_console_write(struct console *con, const char *s, unsigned c) } else { spin_lock_irqsave(&psinfo->buf_lock, flags); } - memcpy(psinfo->buf, s, c); - psinfo->write(PSTORE_TYPE_CONSOLE, 0, &id, 0, 0, 0, c, psinfo); + psinfo->write_buf(PSTORE_TYPE_CONSOLE, 0, &id, 0, + s, 0, c, psinfo); spin_unlock_irqrestore(&psinfo->buf_lock, flags); s += c; c = e - s; diff --git a/fs/pstore/ram_core.c b/fs/pstore/ram_core.c index ecdb3baa1283..11e558efd61e 100644 --- a/fs/pstore/ram_core.c +++ b/fs/pstore/ram_core.c @@ -488,6 +488,11 @@ static int persistent_ram_post_init(struct persistent_ram_zone *prz, u32 sig, sig ^= PERSISTENT_RAM_SIG; if (prz->buffer->sig == sig) { + if (buffer_size(prz) == 0) { + pr_debug("found existing empty buffer\n"); + return 0; + } + if (buffer_size(prz) > prz->buffer_size || buffer_start(prz) > buffer_size(prz)) pr_info("found existing invalid buffer, size %zu, start %zu\n", |