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Don't call freeenv() on a modified pointer.

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Submitted by:	Alexander Kabaev <ak03@gte.com>
Reviewed by:	phk
Pointy hat to:	mux
This commit is contained in:
mux 2002-04-24 17:49:21 +00:00
parent 52606e413b
commit cb31a822f6
1 changed files with 7 additions and 6 deletions
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13
sys/dev/acpica/acpi.c
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@ -1590,17 +1590,18 @@ acpi_avoid(ACPI_HANDLE handle)
int
acpi_disabled(char *subsys)
{
char *cp;
char *cp, *env;
int len;
if ((cp = getenv("debug.acpi.disable")) == NULL)
if ((env = getenv("debug.acpi.disable")) == NULL)
return(0);
if (!strcmp(cp, "all")) {
freeenv(cp);
if (!strcmp(env, "all")) {
freeenv(env);
return(1);
}
/* scan the disable list checking for a match */
cp = env;
for (;;) {
while ((*cp != 0) && isspace(*cp))
cp++;
@ -1610,12 +1611,12 @@ acpi_disabled(char *subsys)
while ((cp[len] != 0) && !isspace(cp[len]))
len++;
if (!strncmp(cp, subsys, len)) {
freeenv(cp);
freeenv(env);
return(1);
}
cp += len;
}
freeenv(cp);
freeenv(env);
return(0);
}