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DEVICE.HINTS(5): Use static hints only

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This commit is contained in:
Sebastian Huber 2013-11-06 08:24:53 +01:00
parent cd48afc2ea
commit d328ca274a
1 changed files with 15 additions and 2 deletions
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17
freebsd/sys/kern/subr_hints.c
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@ -39,11 +39,16 @@ __FBSDID("$FreeBSD$");
* Access functions for device resources.
*/
#ifndef __rtems__
static int checkmethod = 1;
static int use_kenv;
static char *hintp;
#ifdef __rtems__
int hintmode = 1; /* always use static_hints */
#else /* __rtems__ */
#define hintmode 1
#define hintp static_hints
#define use_kenv 0
static char __used default_static_hints[] = "";
__weak_reference(default_static_hints, static_hints);
#endif /* __rtems__ */
/*
@ -65,6 +70,7 @@ res_find(int *line, int *startln,
const char *s, *cp;
char *p;
#ifndef __rtems__
if (checkmethod) {
hintp = NULL;
@ -127,6 +133,7 @@ res_find(int *line, int *startln,
return (ENOENT);
}
} else
#endif /* __rtems__ */
cp = hintp;
while (cp) {
hit = 1;
@ -156,9 +163,13 @@ res_find(int *line, int *startln,
if (hit)
break;
if (use_kenv) {
#ifndef __rtems__
cp = kenvp[++i];
if (cp == NULL)
break;
#else /* __rtems__ */
(void) i;
#endif /* __rtems__ */
} else {
while (*cp != '\0')
cp++;
@ -169,8 +180,10 @@ res_find(int *line, int *startln,
}
}
}
#ifndef __rtems__
if (use_kenv)
mtx_unlock(&kenv_lock);
#endif /* __rtems__ */
if (cp == NULL)
return ENOENT;