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| author |   Thomas Zimmermann <tzimmermann@suse.de> | 2021-11-18 09:36:39 +0100 |
|---|---|---|
| committer | Thomas Zimmermann <tzimmermann@suse.de> | 2021-11-18 09:36:39 +0100 |
| commit | a713ca234ea9d946235ac7248995c5fddfd9e523 (patch) | |
| tree | 708f72ee1c76360aa80c926f1defc8301aef1a23 /arch/x86/kernel/vm86_32.c | |
| parent | drm/i915: Clarify probing order in intel_dp_aux_init_backlight_funcs() (diff) | |
| parent | Linux 5.16-rc1 (diff) | |
| download | linux-dev-a713ca234ea9d946235ac7248995c5fddfd9e523.tar.xz linux-dev-a713ca234ea9d946235ac7248995c5fddfd9e523.zip | |
Merge drm/drm-next into drm-misc-next
Backmerging from drm/drm-next for v5.16-rc1.
Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de>
Diffstat (limited to 'arch/x86/kernel/vm86_32.c')
| -rw-r--r-- | arch/x86/kernel/vm86_32.c | 10 |
1 files changed, 5 insertions, 5 deletions
diff --git a/arch/x86/kernel/vm86_32.c b/arch/x86/kernel/vm86_32.c index e5a7a10a0164..cce1c89cb7df 100644 --- a/arch/x86/kernel/vm86_32.c +++ b/arch/x86/kernel/vm86_32.c @@ -106,10 +106,8 @@ void save_v86_state(struct kernel_vm86_regs *regs, int retval) */ local_irq_enable(); - if (!vm86 || !vm86->user_vm86) { - pr_alert("no user_vm86: BAD\n"); - do_exit(SIGSEGV); - } + BUG_ON(!vm86); + set_flags(regs->pt.flags, VEFLAGS, X86_EFLAGS_VIF | vm86->veflags_mask); user = vm86->user_vm86; @@ -142,6 +140,7 @@ void save_v86_state(struct kernel_vm86_regs *regs, int retval) user_access_end(); +exit_vm86: preempt_disable(); tsk->thread.sp0 = vm86->saved_sp0; tsk->thread.sysenter_cs = __KERNEL_CS; @@ -161,7 +160,8 @@ Efault_end: user_access_end(); Efault: pr_alert("could not access userspace vm86 info\n"); - do_exit(SIGSEGV); + force_fatal_sig(SIGSEGV); + goto exit_vm86; } static int do_vm86_irq_handling(int subfunction, int irqnumber); |