diff options
| author | Jan Engelmohr <jan.engelmohr@mailbox.tu-dresden.de> | 2016-07-26 16:26:12 +0200 |
|---|---|---|
| committer | Moyster <oysterized@gmail.com> | 2016-08-26 15:52:33 +0200 |
| commit | 01a28e78b62e161ed72d0830aa89ecb2be680074 (patch) | |
| tree | 2fb6c6d1b795dfad0a7e7c482cd08c44ec82bf53 /drivers/firmware | |
| parent | 516480c70a5392533c2e3a81863ac02206a66e1b (diff) | |
3.10.67 -> 3.10.68
Diffstat (limited to 'drivers/firmware')
| -rw-r--r-- | drivers/firmware/efi/efi-pstore.c | 18 |
1 files changed, 13 insertions, 5 deletions
diff --git a/drivers/firmware/efi/efi-pstore.c b/drivers/firmware/efi/efi-pstore.c index 202d2c85b..9b2622e0a 100644 --- a/drivers/firmware/efi/efi-pstore.c +++ b/drivers/firmware/efi/efi-pstore.c @@ -38,6 +38,12 @@ struct pstore_read_data { char **buf; }; +static inline u64 generic_id(unsigned long timestamp, + unsigned int part, int count) +{ + return (timestamp * 100 + part) * 1000 + count; +} + static int efi_pstore_read_func(struct efivar_entry *entry, void *data) { efi_guid_t vendor = LINUX_EFI_CRASH_GUID; @@ -56,7 +62,7 @@ static int efi_pstore_read_func(struct efivar_entry *entry, void *data) if (sscanf(name, "dump-type%u-%u-%d-%lu", cb_data->type, &part, &cnt, &time) == 4) { - *cb_data->id = part; + *cb_data->id = generic_id(time, part, cnt); *cb_data->count = cnt; cb_data->timespec->tv_sec = time; cb_data->timespec->tv_nsec = 0; @@ -67,7 +73,7 @@ static int efi_pstore_read_func(struct efivar_entry *entry, void *data) * which doesn't support holding * multiple logs, remains. */ - *cb_data->id = part; + *cb_data->id = generic_id(time, part, 0); *cb_data->count = 0; cb_data->timespec->tv_sec = time; cb_data->timespec->tv_nsec = 0; @@ -185,14 +191,16 @@ static int efi_pstore_erase(enum pstore_type_id type, u64 id, int count, char name[DUMP_NAME_LEN]; efi_char16_t efi_name[DUMP_NAME_LEN]; int found, i; + unsigned int part; - sprintf(name, "dump-type%u-%u-%d-%lu", type, (unsigned int)id, count, - time.tv_sec); + do_div(id, 1000); + part = do_div(id, 100); + sprintf(name, "dump-type%u-%u-%d-%lu", type, part, count, time.tv_sec); for (i = 0; i < DUMP_NAME_LEN; i++) efi_name[i] = name[i]; - edata.id = id; + edata.id = part; edata.type = type; edata.count = count; edata.time = time; |