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Code Issues Releases Activity

Check that there is memory range support before attempting to perform such

Browse Source 
an operation, as a kernel client may not have previously checked the CPU
type (it may not be able to).

Also correct the function declaration style for the mem_range functions to
match the rest of this file (oops).

Submitted by:	gibbs
This commit is contained in:
Mike Smith 1999-08-30 22:13:28 +00:00
parent 9b8b58e033
commit 4af396a52d
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=50674
2 changed files with 28 additions and 4 deletions
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16
sys/amd64/amd64/mem.c
View File

@ -461,8 +461,14 @@ mem_ioctl(dev, cmd, data, flags, p)
* memory range attributes.
*/
void
mem_range_attr_get(struct mem_range_desc *mrd, int *arg)
mem_range_attr_get(mrd, arg)
struct mem_range_desc *mrd;
int *arg;
{
/* can we handle this? */
if (mem_range_softc.mr_op == NULL)
return(EOPNOTSUPP);
if (*arg == 0) {
*arg = mem_range_softc.mr_ndesc;
} else {
@ -471,8 +477,14 @@ mem_range_attr_get(struct mem_range_desc *mrd, int *arg)
}
int
mem_range_attr_set(struct mem_range_desc *mrd, int *arg)
mem_range_attr_set(mrd, arg)
struct mem_range_desc *mrd;
int *arg;
{
/* can we handle this? */
if (mem_range_softc.mr_op == NULL)
return(EOPNOTSUPP);
return(mem_range_softc.mr_op->set(&mem_range_softc, mrd, arg));
}

16
sys/i386/i386/mem.c
View File

@ -461,8 +461,14 @@ mem_ioctl(dev, cmd, data, flags, p)
* memory range attributes.
*/
void
mem_range_attr_get(struct mem_range_desc *mrd, int *arg)
mem_range_attr_get(mrd, arg)
struct mem_range_desc *mrd;
int *arg;
{
/* can we handle this? */
if (mem_range_softc.mr_op == NULL)
return(EOPNOTSUPP);
if (*arg == 0) {
*arg = mem_range_softc.mr_ndesc;
} else {
@ -471,8 +477,14 @@ mem_range_attr_get(struct mem_range_desc *mrd, int *arg)
}
int
mem_range_attr_set(struct mem_range_desc *mrd, int *arg)
mem_range_attr_set(mrd, arg)
struct mem_range_desc *mrd;
int *arg;
{
/* can we handle this? */
if (mem_range_softc.mr_op == NULL)
return(EOPNOTSUPP);
return(mem_range_softc.mr_op->set(&mem_range_softc, mrd, arg));
}