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authorMark Brown <broonie@kernel.org>2015-02-09 14:11:45 +0800
committerMark Brown <broonie@kernel.org>2015-02-09 14:11:45 +0800
commitceafc84623c8ef94c13a87363277a595988b2b79 (patch)
treeb2513b053aedcca198dfbf2ec4c4ea64ede77cfb /drivers/firmware
parent692d96aa22dea8bb80018c6a76556ad6afd464a6 (diff)
parent87dc7c99c72e49461fba277c81871525700821fb (diff)
Merge tag 'v3.10.68' into linux-linaro-lsk
This is the 3.10.68 stable release
Diffstat (limited to 'drivers/firmware')
-rw-r--r--drivers/firmware/efi/efi-pstore.c18
1 files changed, 13 insertions, 5 deletions
diff --git a/drivers/firmware/efi/efi-pstore.c b/drivers/firmware/efi/efi-pstore.c
index bf8dd3d5bee7..fb3a2c1fbd34 100644
--- a/drivers/firmware/efi/efi-pstore.c
+++ b/drivers/firmware/efi/efi-pstore.c
@@ -36,6 +36,12 @@ 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;
@@ -54,7 +60,7 @@ 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;
@@ -65,7 +71,7 @@ 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;
@@ -305,14 +311,16 @@ 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;