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syslog_init_post_vm(): If the syslog is disabled, clear sSyslogBuffer. It is

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already initialized in syslog_init(), if the debug syslog feature is enabled.
Since the area would never be created, the pointer becomes invalid, however,
and could cause a double fault on entering KDL.


git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@36528 a95241bf-73f2-0310-859d-f6bbb57e9c96
This commit is contained in:
Ingo Weinhold 2010-04-29 14:16:25 +00:00
parent 8ffd908216
commit 7b8344c61e
1 changed files with 5 additions and 1 deletions
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6
src/system/kernel/debug/debug.cpp
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@ -1321,8 +1321,12 @@ syslog_init_post_vm(struct kernel_args* args)
status_t status; status_t status;
int32 length = 0; int32 length = 0;
if (!sSyslogOutputEnabled) if (!sSyslogOutputEnabled) {
sSyslogBuffer = NULL;
// Might already have been set in syslog_init(), if the debug syslog
// was enabled. Just drop it -- we'll never create the area.
return B_OK; return B_OK;
}
sSyslogMessage = (syslog_message*)malloc(SYSLOG_MESSAGE_BUFFER_SIZE); sSyslogMessage = (syslog_message*)malloc(SYSLOG_MESSAGE_BUFFER_SIZE);
if (sSyslogMessage == NULL) { if (sSyslogMessage == NULL) {