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| author | Thomas Gleixner <tglx@linutronix.de> | 2022-05-12 14:04:08 +0200 |
|---|---|---|
| committer | Borislav Petkov <bp@suse.de> | 2022-05-13 12:56:28 +0200 |
| commit | f5c0b4f30416c670408a77be94703d04d22b57df (patch) | |
| tree | 9a6a24170f4fecb7180eae228d55ddd6f619bf3e /arch/x86/kernel/process.c | |
| parent | 1ff2fb982c52ed6c3478adc944441d6ea065d8fb (diff) | |
| download | linux-stable-f5c0b4f30416c670408a77be94703d04d22b57df.tar.gz linux-stable-f5c0b4f30416c670408a77be94703d04d22b57df.tar.bz2 linux-stable-f5c0b4f30416c670408a77be94703d04d22b57df.zip | |
x86/prctl: Remove pointless task argument
The functions invoked via do_arch_prctl_common() can only operate on
the current task and none of these function uses the task argument.
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Borislav Petkov <bp@suse.de>
Link: https://lore.kernel.org/r/87lev7vtxj.ffs@tglx
Diffstat (limited to 'arch/x86/kernel/process.c')
| -rw-r--r-- | arch/x86/kernel/process.c | 9 |
1 files changed, 4 insertions, 5 deletions
diff --git a/arch/x86/kernel/process.c b/arch/x86/kernel/process.c index b3d2d414cfad..e86d09a6aac7 100644 --- a/arch/x86/kernel/process.c +++ b/arch/x86/kernel/process.c @@ -334,7 +334,7 @@ static int get_cpuid_mode(void) return !test_thread_flag(TIF_NOCPUID); } -static int set_cpuid_mode(struct task_struct *task, unsigned long cpuid_enabled) +static int set_cpuid_mode(unsigned long cpuid_enabled) { if (!boot_cpu_has(X86_FEATURE_CPUID_FAULT)) return -ENODEV; @@ -985,20 +985,19 @@ unsigned long __get_wchan(struct task_struct *p) return addr; } -long do_arch_prctl_common(struct task_struct *task, int option, - unsigned long arg2) +long do_arch_prctl_common(int option, unsigned long arg2) { switch (option) { case ARCH_GET_CPUID: return get_cpuid_mode(); case ARCH_SET_CPUID: - return set_cpuid_mode(task, arg2); + return set_cpuid_mode(arg2); case ARCH_GET_XCOMP_SUPP: case ARCH_GET_XCOMP_PERM: case ARCH_REQ_XCOMP_PERM: case ARCH_GET_XCOMP_GUEST_PERM: case ARCH_REQ_XCOMP_GUEST_PERM: - return fpu_xstate_prctl(task, option, arg2); + return fpu_xstate_prctl(option, arg2); } return -EINVAL; |