diff --git a/drivers/edac/r82600_edac.c b/drivers/edac/r82600_edac.c
index 6d908ad72d64..392b39c71f17 100644
--- a/drivers/edac/r82600_edac.c
+++ b/drivers/edac/r82600_edac.c
@@ -11,7 +11,8 @@
  *
  * Written with reference to 82600 High Integration Dual PCI System
  * Controller Data Book:
- * www.radisys.com/files/support_downloads/007-01277-0002.82600DataBook.pdf
+ * https://web.archive.org/web/20050125221641/https://www.radisys.com/files/support_downloads/007-01277-0002.82600DataBook.pdf
+
  * references to this document given in []
  */
 
diff --git a/drivers/hwmon/sht21.c b/drivers/hwmon/sht21.c
index 6c2dede4b8e7..d3b8422d203e 100644
--- a/drivers/hwmon/sht21.c
+++ b/drivers/hwmon/sht21.c
@@ -17,7 +17,7 @@
  * Foundation, Inc., 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA
  *
  * Data sheet available (5/2010) at
- * http://www.sensirion.com/en/pdf/product_information/Datasheet-humidity-sensor-SHT21.pdf
+ * https://web.archive.org/web/20100331094951/http://www.sensirion.com/en/pdf/product_information/Datasheet-humidity-sensor-SHT21.pdf
  */
 
 #include <linux/module.h>
diff --git a/drivers/net/ethernet/silan/sc92031.c b/drivers/net/ethernet/silan/sc92031.c
index a284d6440538..6c0a2778003b 100644
--- a/drivers/net/ethernet/silan/sc92031.c
+++ b/drivers/net/ethernet/silan/sc92031.c
@@ -15,7 +15,7 @@
  *  Rewritten for 2.6 by Cesar Eduardo Barros
  *
  *  A datasheet for this chip can be found at
- *  http://www.silan.com.cn/english/product/pdf/SC92031AY.pdf 
+ *  https://web.archive.org/web/20090306060051/http://www.silan.com.cn/english/product/pdf/SC92031AY.pdf
  */
 
 /* Note about set_mac_address: I don't know how to change the hardware
diff --git a/drivers/usb/gadget/f_mass_storage.c b/drivers/usb/gadget/f_mass_storage.c
index 31174548bf5a..2f46ecea3be1 100644
--- a/drivers/usb/gadget/f_mass_storage.c
+++ b/drivers/usb/gadget/f_mass_storage.c
@@ -175,7 +175,7 @@
  * Brownell.  The driver's SCSI command interface was based on the
  * "Information technology - Small Computer System Interface - 2"
  * document from X3T9.2 Project 375D, Revision 10L, 7-SEP-93,
- * available at <http://www.t10.org/ftp/t10/drafts/s2/s2-r10l.pdf>.
+ * available at <https://web.archive.org/web/20030709201712/http://www.t10.org/ftp/t10/drafts/s2/s2-r10l.pdf>.
  * The single exception is opcode 0x23 (READ FORMAT CAPACITIES), which
  * was based on the "Universal Serial Bus Mass Storage Class UFI
  * Command Specification" document, Revision 1.0, December 14, 1998,
diff --git a/include/linux/can/netlink.h b/include/linux/can/netlink.h
index 14966ddb7df1..aa087ff933ae 100644
--- a/include/linux/can/netlink.h
+++ b/include/linux/can/netlink.h
@@ -17,7 +17,7 @@
  *
  * For further information, please read chapter "8 BIT TIMING
  * REQUIREMENTS" of the "Bosch CAN Specification version 2.0"
- * at http://www.semiconductors.bosch.de/pdf/can2spec.pdf.
+ * at https://web.archive.org/web/20100922201217/http://www.semiconductors.bosch.de/pdf/can2spec.pdf
  */
 struct can_bittiming {
 	__u32 bitrate;		/* Bit-rate in bits/second */
diff --git a/include/linux/edd.h b/include/linux/edd.h
index 4cbd0fe9df08..b77423f238c3 100644
--- a/include/linux/edd.h
+++ b/include/linux/edd.h
@@ -6,7 +6,7 @@
  * structures and definitions for the int 13h, ax={41,48}h
  * BIOS Enhanced Disk Drive Services
  * This is based on the T13 group document D1572 Revision 0 (August 14 2002)
- * available at http://www.t13.org/docs2002/d1572r0.pdf.  It is
+ * available at https://web.archive.org/web/20030315021412/http://www.t13.org/docs2002/d1572r0.pdf  It is
  * very similar to D1484 Revision 3 http://www.t13.org/docs2002/d1484r3.pdf
  *
  * In a nutshell, arch/{i386,x86_64}/boot/setup.S populates a scratch