From: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Date: Wed, 2 Apr 2008 20:48:07 +0000 (-0700)
Subject: e1000e: limit EEPROM size accesses
X-Git-Tag: v2.6.26-rc1~1138^2~8^2~23
X-Git-Url: http://pilppa.com/gitweb/?a=commitdiff_plain;h=8d7c294cae6fd1474d88267810d1965f60a903af;p=linux-2.6-omap-h63xx.git

e1000e: limit EEPROM size accesses

Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Signed-off-by: Auke Kok <auke-jan.h.kok@intel.com>
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
---

diff --git a/drivers/net/e1000e/82571.c b/drivers/net/e1000e/82571.c
index f7e1619b974..9b46a00bb5f 100644
--- a/drivers/net/e1000e/82571.c
+++ b/drivers/net/e1000e/82571.c
@@ -171,6 +171,10 @@ static s32 e1000_init_nvm_params_82571(struct e1000_hw *hw)
 		 * for setting word_size.
 		 */
 		size += NVM_WORD_SIZE_BASE_SHIFT;
+
+		/* EEPROM access above 16k is unsupported */
+		if (size > 14)
+			size = 14;
 		nvm->word_size	= 1 << size;
 		break;
 	}
diff --git a/drivers/net/e1000e/es2lan.c b/drivers/net/e1000e/es2lan.c
index e3f4aeefeae..2689e4b83f9 100644
--- a/drivers/net/e1000e/es2lan.c
+++ b/drivers/net/e1000e/es2lan.c
@@ -178,6 +178,10 @@ static s32 e1000_init_nvm_params_80003es2lan(struct e1000_hw *hw)
 	 * for setting word_size.
 	 */
 	size += NVM_WORD_SIZE_BASE_SHIFT;
+
+	/* EEPROM access above 16k is unsupported */
+	if (size > 14)
+		size = 14;
 	nvm->word_size	= 1 << size;
 
 	return 0;