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authorJosé Pekkarinen <jose.pekkarinen@nokia.com>2015-10-09 08:42:44 +0300
committerJosé Pekkarinen <jose.pekkarinen@nokia.com>2015-10-09 08:52:35 +0300
commitfdb8b20906f3546ba6c2f9f0686d8a5189516ba3 (patch)
tree6bb43dc8a42d6e9403763bc749f706939dd2bc60 /kernel/drivers/firmware/dmi_scan.c
parentcc84a1f21026270463b580f2564f9d71912b20db (diff)
Kernel bump from 4.1.3-rt to 4.1.7-rt.
These changes brings a vanilla kernel from kernel.org, and the patch applied for rt is patch-4.1.7-rt8.patch. No further changes needed. Change-Id: Id8dd03c2ddd971e4d1d69b905f3069737053b700 Signed-off-by: José Pekkarinen <jose.pekkarinen@nokia.com>
Diffstat (limited to 'kernel/drivers/firmware/dmi_scan.c')
-rw-r--r--kernel/drivers/firmware/dmi_scan.c13
1 files changed, 9 insertions, 4 deletions
diff --git a/kernel/drivers/firmware/dmi_scan.c b/kernel/drivers/firmware/dmi_scan.c
index 97b1616aa..bba843c2b 100644
--- a/kernel/drivers/firmware/dmi_scan.c
+++ b/kernel/drivers/firmware/dmi_scan.c
@@ -89,9 +89,9 @@ static void dmi_table(u8 *buf,
/*
* Stop when we have seen all the items the table claimed to have
- * (SMBIOS < 3.0 only) OR we reach an end-of-table marker OR we run
- * off the end of the table (should never happen but sometimes does
- * on bogus implementations.)
+ * (SMBIOS < 3.0 only) OR we reach an end-of-table marker (SMBIOS
+ * >= 3.0 only) OR we run off the end of the table (should never
+ * happen but sometimes does on bogus implementations.)
*/
while ((!dmi_num || i < dmi_num) &&
(data - buf + sizeof(struct dmi_header)) <= dmi_len) {
@@ -110,8 +110,13 @@ static void dmi_table(u8 *buf,
/*
* 7.45 End-of-Table (Type 127) [SMBIOS reference spec v3.0.0]
+ * For tables behind a 64-bit entry point, we have no item
+ * count and no exact table length, so stop on end-of-table
+ * marker. For tables behind a 32-bit entry point, we have
+ * seen OEM structures behind the end-of-table marker on
+ * some systems, so don't trust it.
*/
- if (dm->type == DMI_ENTRY_END_OF_TABLE)
+ if (!dmi_num && dm->type == DMI_ENTRY_END_OF_TABLE)
break;
data += 2;