diff options
| author | Jiri Kosina <jkosina@suse.cz> | 2013-01-29 10:48:30 +0100 |
|---|---|---|
| committer | Jiri Kosina <jkosina@suse.cz> | 2013-01-29 10:48:30 +0100 |
| commit | 617677295b53a40d0e54aac4cbbc216ffbc755dd (patch) | |
| tree | 51b9e87213243ed5efff252c8e8d8fec4eebc588 /drivers/acpi/apei/erst-dbg.c | |
| parent | 5c8d1b68e01a144813e38795fe6dbe7ebb506131 (diff) | |
| parent | 6abb7c25775b7fb2225ad0508236d63ca710e65f (diff) | |
Merge branch 'master' into for-next
Conflicts:
drivers/devfreq/exynos4_bus.c
Sync with Linus' tree to be able to apply patches that are
against newer code (mvneta).
Diffstat (limited to 'drivers/acpi/apei/erst-dbg.c')
| -rw-r--r-- | drivers/acpi/apei/erst-dbg.c | 11 |
1 files changed, 10 insertions, 1 deletions
diff --git a/drivers/acpi/apei/erst-dbg.c b/drivers/acpi/apei/erst-dbg.c index 903549df809..04ab5c9d3ce 100644 --- a/drivers/acpi/apei/erst-dbg.c +++ b/drivers/acpi/apei/erst-dbg.c @@ -111,8 +111,17 @@ retry_next: if (rc) goto out; /* no more record */ - if (id == APEI_ERST_INVALID_RECORD_ID) + if (id == APEI_ERST_INVALID_RECORD_ID) { + /* + * If the persistent store is empty initially, the function + * 'erst_read' below will return "-ENOENT" value. This causes + * 'retry_next' label is entered again. The returned value + * should be zero indicating the read operation is EOF. + */ + len = 0; + goto out; + } retry: rc = len = erst_read(id, erst_dbg_buf, erst_dbg_buf_len); /* The record may be cleared by others, try read next record */ |