diff mbox

tulip: Read buffer overflow

Message ID 4A7531AC.4090400@gmail.com
State Accepted, archived
Delegated to: David Miller
Headers show

Commit Message

roel kluin Aug. 2, 2009, 6:26 a.m. UTC
Check whether index is within bounds before testing the element.

Signed-off-by: Roel Kluin <roel.kluin@gmail.com>
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Comments

David Miller Aug. 2, 2009, 7:31 p.m. UTC | #1
From: Roel Kluin <roel.kluin@gmail.com>
Date: Sun, 02 Aug 2009 08:26:52 +0200

> Check whether index is within bounds before testing the element.
> 
> Signed-off-by: Roel Kluin <roel.kluin@gmail.com>

Applied.
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Kyle McMartin Aug. 2, 2009, 7:45 p.m. UTC | #2
On Sun, Aug 02, 2009 at 12:31:41PM -0700, David Miller wrote:
> From: Roel Kluin <roel.kluin@gmail.com>
> Date: Sun, 02 Aug 2009 08:26:52 +0200
> 
> > Check whether index is within bounds before testing the element.
> > 
> > Signed-off-by: Roel Kluin <roel.kluin@gmail.com>
> 
> Applied.
> 

Thanks Dave, Roel.
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diff mbox

Patch

diff --git a/drivers/net/tulip/de4x5.c b/drivers/net/tulip/de4x5.c
index eb72d2e..acfdccd 100644
--- a/drivers/net/tulip/de4x5.c
+++ b/drivers/net/tulip/de4x5.c
@@ -5059,7 +5059,7 @@  mii_get_phy(struct net_device *dev)
 	if ((id == 0) || (id == 65535)) continue;  /* Valid ID? */
 	for (j=0; j<limit; j++) {                  /* Search PHY table */
 	    if (id != phy_info[j].id) continue;    /* ID match? */
-	    for (k=0; lp->phy[k].id && (k < DE4X5_MAX_PHY); k++);
+	    for (k=0; k < DE4X5_MAX_PHY && lp->phy[k].id; k++);
 	    if (k < DE4X5_MAX_PHY) {
 		memcpy((char *)&lp->phy[k],
 		       (char *)&phy_info[j], sizeof(struct phy_table));
@@ -5072,7 +5072,7 @@  mii_get_phy(struct net_device *dev)
 	    break;
 	}
 	if ((j == limit) && (i < DE4X5_MAX_MII)) {
-	    for (k=0; lp->phy[k].id && (k < DE4X5_MAX_PHY); k++);
+	    for (k=0; k < DE4X5_MAX_PHY && lp->phy[k].id; k++);
 	    lp->phy[k].addr = i;
 	    lp->phy[k].id = id;
 	    lp->phy[k].spd.reg = GENERIC_REG;      /* ANLPA register         */
@@ -5091,7 +5091,7 @@  mii_get_phy(struct net_device *dev)
   purgatory:
     lp->active = 0;
     if (lp->phy[0].id) {                           /* Reset the PHY devices */
-	for (k=0; lp->phy[k].id && (k < DE4X5_MAX_PHY); k++) { /*For each PHY*/
+	for (k=0; k < DE4X5_MAX_PHY && lp->phy[k].id; k++) { /*For each PHY*/
 	    mii_wr(MII_CR_RST, MII_CR, lp->phy[k].addr, DE4X5_MII);
 	    while (mii_rd(MII_CR, lp->phy[k].addr, DE4X5_MII) & MII_CR_RST);