diff options
Diffstat (limited to 'src/drivers')
| -rw-r--r-- | src/drivers/elog/elog.c | 25 |
1 files changed, 19 insertions, 6 deletions
diff --git a/src/drivers/elog/elog.c b/src/drivers/elog/elog.c index 30578ce929..654a60c540 100644 --- a/src/drivers/elog/elog.c +++ b/src/drivers/elog/elog.c @@ -98,14 +98,16 @@ static u8 elog_checksum_event(struct event_header *event) } /* - * Check if a raw buffer is filled with ELOG_TYPE_EOL byte + * Check if mirrored buffer is filled with ELOG_TYPE_EOL byte from the + * provided offset to the end of the mirrored buffer. */ -static int elog_is_buffer_clear(void *base, u32 size) +static int elog_is_buffer_clear(size_t offset) { - u8 *current = base; + size_t size = total_size - offset; + u8 *current = offset + (u8 *)elog_area; u8 *end = current + size; - elog_debug("elog_is_buffer_clear(base=0x%p size=%u)\n", base, size); + elog_debug("elog_is_buffer_clear(offset=%zu size=%zu)\n", offset, size); for (; current != end; current++) { if (*current != ELOG_TYPE_EOL) @@ -114,6 +116,17 @@ static int elog_is_buffer_clear(void *base, u32 size) return 1; } +static int elog_event_buffer_is_clear(size_t offset) +{ + /* + * Events are appended relative to the end of the header. Update + * offset to include the header size. + */ + offset += sizeof(struct elog_header); + + return elog_is_buffer_clear(offset); +} + /* * Check that the ELOG area has been initialized and is valid. */ @@ -288,7 +301,7 @@ static void elog_update_event_buffer_state(void) } /* Ensure the remaining buffer is empty */ - if (!elog_is_buffer_clear(&elog_area->data[offset], log_size - offset)) + if (!elog_event_buffer_is_clear(offset)) event_buffer_state = ELOG_EVENT_BUFFER_CORRUPTED; /* Update ELOG state */ @@ -311,7 +324,7 @@ static void elog_scan_flash(void) event_count = 0; /* Check if the area is empty or not */ - if (elog_is_buffer_clear(elog_area, total_size)) { + if (elog_is_buffer_clear(0)) { area_state = ELOG_AREA_EMPTY; return; } |