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[CVE-2009-0029] Make sys_syslog a conditional system call

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Remove the -ENOSYS implementation for !CONFIG_PRINTK and use
the cond_syscall infrastructure instead.

Acked-by: Kyle McMartin <kyle@redhat.com>
Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>
This commit is contained in:
Heiko Carstens 2009-01-14 14:13:58 +01:00
parent c9da9f2129
commit f627a741d2
2 changed files with 1 additions and 5 deletions
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5
kernel/printk.c
View File

@ -742,11 +742,6 @@ EXPORT_SYMBOL(vprintk);
#else
asmlinkage long sys_syslog(int type, char __user *buf, int len)
{
return -ENOSYS;
}
static void call_console_drivers(unsigned start, unsigned end)
{
}

1
kernel/sys_ni.c
View File

@ -131,6 +131,7 @@ cond_syscall(sys_io_destroy);
cond_syscall(sys_io_submit);
cond_syscall(sys_io_cancel);
cond_syscall(sys_io_getevents);
cond_syscall(sys_syslog);
/* arch-specific weak syscall entries */
cond_syscall(sys_pciconfig_read);