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net: Make setsockopt() optlen be unsigned.

Browse source 
This provides safety against negative optlen at the type
level instead of depending upon (sometimes non-trivial)
checks against this sprinkled all over the the place, in
each and every implementation.

Based upon work done by Arjan van de Ven and feedback
from Linus Torvalds.

Signed-off-by: David S. Miller <[email protected]>
This commit is contained in:
David S. Miller 2009-09-30 16:12:20 -07:00
commit b7058842c9
67 changed files with 149 additions and 153 deletions
Download patch file Download diff file Expand all files Collapse all files

8
drivers/atm/ambassador.c
View file

@ -1306,14 +1306,6 @@ static void amb_close (struct atm_vcc * atm_vcc) {
return;
}
/********** Set socket options for a VC **********/
// int amb_getsockopt (struct atm_vcc * atm_vcc, int level, int optname, void * optval, int optlen);
/********** Set socket options for a VC **********/
// int amb_setsockopt (struct atm_vcc * atm_vcc, int level, int optname, void * optval, int optlen);
/********** Send **********/
static int amb_send (struct atm_vcc * atm_vcc, struct sk_buff * skb) {

2
drivers/atm/eni.c
View file

@ -2031,7 +2031,7 @@ static int eni_getsockopt(struct atm_vcc *vcc,int level,int optname,
static int eni_setsockopt(struct atm_vcc *vcc,int level,int optname,
void __user *optval,int optlen)
void __user *optval,unsigned int optlen)
{
return -EINVAL;
}

2
drivers/atm/firestream.c
View file

@ -1244,7 +1244,7 @@ static int fs_getsockopt(struct atm_vcc *vcc,int level,int optname,
static int fs_setsockopt(struct atm_vcc *vcc,int level,int optname,
void __user *optval,int optlen)
void __user *optval,unsigned int optlen)
{
func_enter ();
func_exit ();

2
drivers/atm/fore200e.c
View file

@ -1795,7 +1795,7 @@ fore200e_getsockopt(struct atm_vcc* vcc, int level, int optname, void __user *op
static int
fore200e_setsockopt(struct atm_vcc* vcc, int level, int optname, void __user *optval, int optlen)
fore200e_setsockopt(struct atm_vcc* vcc, int level, int optname, void __user *optval, unsigned int optlen)
{
/* struct fore200e* fore200e = FORE200E_DEV(vcc->dev); */

2
drivers/atm/horizon.c
View file

@ -2590,7 +2590,7 @@ static int hrz_getsockopt (struct atm_vcc * atm_vcc, int level, int optname,
}
static int hrz_setsockopt (struct atm_vcc * atm_vcc, int level, int optname,
void *optval, int optlen) {
void *optval, unsigned int optlen) {
hrz_dev * dev = HRZ_DEV(atm_vcc->dev);
PRINTD (DBG_FLOW|DBG_VCC, "hrz_setsockopt");
switch (level) {

2
drivers/atm/iphase.c
View file

@ -2862,7 +2862,7 @@ static int ia_getsockopt(struct atm_vcc *vcc, int level, int optname,
}
static int ia_setsockopt(struct atm_vcc *vcc, int level, int optname,
void __user *optval, int optlen)
void __user *optval, unsigned int optlen)
{
IF_EVENT(printk(">ia_setsockopt\n");)
return -EINVAL;

2
drivers/atm/zatm.c
View file

@ -1517,7 +1517,7 @@ static int zatm_getsockopt(struct atm_vcc *vcc,int level,int optname,
static int zatm_setsockopt(struct atm_vcc *vcc,int level,int optname,
void __user *optval,int optlen)
void __user *optval,unsigned int optlen)
{
return -EINVAL;
}