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[POWERPC] Off-by-one in /arch/ppc/platforms/mpc8* 

A find -iname \*.[ch] | xargs grep "> ARRAY_SIZE(" revealed several
incorrect usages of ARRAY_SIZE in the mpc drivers.  The last element in the
array is always ARRAY_SIZE()-1, this patch modifies the bounds checks
accordingly.

Signed-off-by: Eric Sesterhenn <snakebyte@gmx.de>
Cc: Vitaly Bordug <vbordug@ru.mvista.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Paul Mackerras <paulus@samba.org>
This commit is contained in:
Eric Sesterhenn 2006-10-10 14:37:29 -07:00 committed by Paul Mackerras
parent ee4ea82c07
commit bb579cf1d4
3 changed files with 6 additions and 6 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

4
arch/ppc/platforms/mpc8272ads_setup.c
View File

@ -196,7 +196,7 @@ static void __init mpc8272ads_fixup_enet_pdata(struct platform_device *pdev,
bd_t* bi = (void*)__res;
int fs_no = fsid_fcc1+pdev->id-1;
if(fs_no > ARRAY_SIZE(mpc82xx_enet_pdata)) {
if(fs_no >= ARRAY_SIZE(mpc82xx_enet_pdata)) {
return;
}
@ -222,7 +222,7 @@ static void mpc8272ads_fixup_uart_pdata(struct platform_device *pdev,
int id = fs_uart_id_scc2fsid(idx);
/* no need to alter anything if console */
if ((id <= num) && (!pdev->dev.platform_data)) {
if ((id < num) && (!pdev->dev.platform_data)) {
pinfo = &mpc8272_uart_pdata[id];
pinfo->uart_clk = bd->bi_intfreq;
pdev->dev.platform_data = pinfo;

4
arch/ppc/platforms/mpc866ads_setup.c
View File

@ -259,7 +259,7 @@ static void mpc866ads_fixup_enet_pdata(struct platform_device *pdev, int fs_no)
/* Get pointer to Communication Processor */
cp = cpmp;
if(fs_no > ARRAY_SIZE(mpc8xx_enet_pdata)) {
if(fs_no >= ARRAY_SIZE(mpc8xx_enet_pdata)) {
printk(KERN_ERR"No network-suitable #%d device on bus", fs_no);
return;
}
@ -305,7 +305,7 @@ static void __init mpc866ads_fixup_uart_pdata(struct platform_device *pdev,
int id = fs_uart_id_smc2fsid(idx);
/* no need to alter anything if console */
if ((id <= num) && (!pdev->dev.platform_data)) {
if ((id < num) && (!pdev->dev.platform_data)) {
pinfo = &mpc866_uart_pdata[id];
pinfo->uart_clk = bd->bi_intfreq;
pdev->dev.platform_data = pinfo;

4
arch/ppc/platforms/mpc885ads_setup.c
View File

@ -263,7 +263,7 @@ static void mpc885ads_fixup_enet_pdata(struct platform_device *pdev, int fs_no)
char *e;
int i;
if(fs_no > ARRAY_SIZE(mpc8xx_enet_pdata)) {
if(fs_no >= ARRAY_SIZE(mpc8xx_enet_pdata)) {
printk(KERN_ERR"No network-suitable #%d device on bus", fs_no);
return;
}
@ -371,7 +371,7 @@ static void __init mpc885ads_fixup_uart_pdata(struct platform_device *pdev,
int id = fs_uart_id_smc2fsid(idx);
/* no need to alter anything if console */
if ((id <= num) && (!pdev->dev.platform_data)) {
if ((id < num) && (!pdev->dev.platform_data)) {
pinfo = &mpc885_uart_pdata[id];
pinfo->uart_clk = bd->bi_intfreq;
pdev->dev.platform_data = pinfo;