提交 09d31442 编写于 作者: W Will Drewry 提交者: Linus Torvalds

vsyscall_64: add missing ifdef CONFIG_SECCOMP

vsyscall_seccomp introduced a dependency on __secure_computing.  On
configurations with CONFIG_SECCOMP disabled, compilation will fail.
Reported-by: Nfeng xiangjun <fengxj325@gmail.com>
Signed-off-by: NWill Drewry <wad@chromium.org>
Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>
上级 a7559b13
......@@ -139,6 +139,7 @@ static int addr_to_vsyscall_nr(unsigned long addr)
return nr;
}
#ifdef CONFIG_SECCOMP
static int vsyscall_seccomp(struct task_struct *tsk, int syscall_nr)
{
if (!seccomp_mode(&tsk->seccomp))
......@@ -147,6 +148,9 @@ static int vsyscall_seccomp(struct task_struct *tsk, int syscall_nr)
task_pt_regs(tsk)->ax = syscall_nr;
return __secure_computing(syscall_nr);
}
#else
#define vsyscall_seccomp(_tsk, _nr) 0
#endif
static bool write_ok_or_segv(unsigned long ptr, size_t size)
{
......
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