diff --git a/drivers/misc/eeprom/at24.c b/drivers/misc/eeprom/at24.c
index 2591c21b2b5d..fb0b8375d5ae 100644
--- a/drivers/misc/eeprom/at24.c
+++ b/drivers/misc/eeprom/at24.c
@@ -8,6 +8,7 @@
 
 #include <linux/acpi.h>
 #include <linux/bitops.h>
+#include <linux/capability.h>
 #include <linux/delay.h>
 #include <linux/i2c.h>
 #include <linux/init.h>
@@ -89,6 +90,7 @@ struct at24_data {
 
 	struct nvmem_device *nvmem;
 	struct regulator *vcc_reg;
+	void (*read_post)(unsigned int off, char *buf, size_t count);
 
 	/*
 	 * Some chips tie up multiple I2C addresses; dummy devices reserve
@@ -121,6 +123,7 @@ MODULE_PARM_DESC(at24_write_timeout, "Time (in ms) to try writes (default 25)");
 struct at24_chip_data {
 	u32 byte_len;
 	u8 flags;
+	void (*read_post)(unsigned int off, char *buf, size_t count);
 };
 
 #define AT24_CHIP_DATA(_name, _len, _flags)				\
@@ -128,6 +131,32 @@ struct at24_chip_data {
 		.byte_len = _len, .flags = _flags,			\
 	}
 
+#define AT24_CHIP_DATA_CB(_name, _len, _flags, _read_post)		\
+	static const struct at24_chip_data _name = {			\
+		.byte_len = _len, .flags = _flags,			\
+		.read_post = _read_post,				\
+	}
+
+static void at24_read_post_vaio(unsigned int off, char *buf, size_t count)
+{
+	int i;
+
+	if (capable(CAP_SYS_ADMIN))
+		return;
+
+	/*
+	 * Hide VAIO private settings to regular users:
+	 * - BIOS passwords: bytes 0x00 to 0x0f
+	 * - UUID: bytes 0x10 to 0x1f
+	 * - Serial number: 0xc0 to 0xdf
+	 */
+	for (i = 0; i < count; i++) {
+		if ((off + i <= 0x1f) ||
+		    (off + i >= 0xc0 && off + i <= 0xdf))
+			buf[i] = 0;
+	}
+}
+
 /* needs 8 addresses as A0-A2 are ignored */
 AT24_CHIP_DATA(at24_data_24c00, 128 / 8, AT24_FLAG_TAKE8ADDR);
 /* old variants can't be handled with this generic entry! */
@@ -144,6 +173,10 @@ AT24_CHIP_DATA(at24_data_24mac602, 64 / 8,
 /* spd is a 24c02 in memory DIMMs */
 AT24_CHIP_DATA(at24_data_spd, 2048 / 8,
 	AT24_FLAG_READONLY | AT24_FLAG_IRUGO);
+/* 24c02_vaio is a 24c02 on some Sony laptops */
+AT24_CHIP_DATA_CB(at24_data_24c02_vaio, 2048 / 8,
+	AT24_FLAG_READONLY | AT24_FLAG_IRUGO,
+	at24_read_post_vaio);
 AT24_CHIP_DATA(at24_data_24c04, 4096 / 8, 0);
 AT24_CHIP_DATA(at24_data_24cs04, 16,
 	AT24_FLAG_SERIAL | AT24_FLAG_READONLY);
@@ -177,6 +210,7 @@ static const struct i2c_device_id at24_ids[] = {
 	{ "24mac402",	(kernel_ulong_t)&at24_data_24mac402 },
 	{ "24mac602",	(kernel_ulong_t)&at24_data_24mac602 },
 	{ "spd",	(kernel_ulong_t)&at24_data_spd },
+	{ "24c02-vaio",	(kernel_ulong_t)&at24_data_24c02_vaio },
 	{ "24c04",	(kernel_ulong_t)&at24_data_24c04 },
 	{ "24cs04",	(kernel_ulong_t)&at24_data_24cs04 },
 	{ "24c08",	(kernel_ulong_t)&at24_data_24c08 },
@@ -389,6 +423,9 @@ static int at24_read(void *priv, unsigned int off, void *val, size_t count)
 	struct device *dev;
 	char *buf = val;
 	int ret;
+	unsigned int orig_off = off;
+	char *orig_buf = buf;
+	size_t orig_count = count;
 
 	at24 = priv;
 	dev = at24_base_client_dev(at24);
@@ -427,6 +464,9 @@ static int at24_read(void *priv, unsigned int off, void *val, size_t count)
 
 	pm_runtime_put(dev);
 
+	if (unlikely(at24->read_post))
+		at24->read_post(orig_off, orig_buf, orig_count);
+
 	return 0;
 }
 
@@ -654,6 +694,7 @@ static int at24_probe(struct i2c_client *client)
 	at24->byte_len = byte_len;
 	at24->page_size = page_size;
 	at24->flags = flags;
+	at24->read_post = cdata->read_post;
 	at24->num_addresses = num_addresses;
 	at24->offset_adj = at24_get_offset_adj(flags, byte_len);
 	at24->client[0].client = client;