x86/vdso: Add missing brackets in switch case

0-day reported:

  arch/x86/entry/vdso/vma.c:199:3: warning: label followed by a declaration
  				 	    is a C23 extension [-Wc23-extensions]

Add the missing brackets.

Fixes: e93d2521b27f ("x86/vdso: Split virtual clock pages into dedicated mapping")
Reported-by: kernel test robot <lkp@intel.com>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Closes: https://lore.kernel.org/oe-kbuild-all/202411022359.fBPFTg2T-lkp@intel.com/

diff --git a/arch/x86/entry/vdso/vma.c b/arch/x86/entry/vdso/vma.c
index 7e5921adeed0004cba04d59caff280c082ab392e..bfc7cabf4017ba5f876444a5bf5e0ed32ccec745 100644 (file)
--- a/arch/x86/entry/vdso/vma.c
+++ b/arch/x86/entry/vdso/vma.c
@@ -196,21 +196,26 @@ static vm_fault_t vvar_vclock_fault(const struct vm_special_mapping *sm,
        switch (vmf->pgoff) {
 #ifdef CONFIG_PARAVIRT_CLOCK
        case VDSO_PAGE_PVCLOCK_OFFSET:
+       {
                struct pvclock_vsyscall_time_info *pvti =
                        pvclock_get_pvti_cpu0_va();
+
                if (pvti && vclock_was_used(VDSO_CLOCKMODE_PVCLOCK))
                        return vmf_insert_pfn_prot(vma, vmf->address,
                                        __pa(pvti) >> PAGE_SHIFT,
                                        pgprot_decrypted(vma->vm_page_prot));
                break;
+       }
 #endif /* CONFIG_PARAVIRT_CLOCK */
 #ifdef CONFIG_HYPERV_TIMER
        case VDSO_PAGE_HVCLOCK_OFFSET:
+       {
                unsigned long pfn = hv_get_tsc_pfn();
 
                if (pfn && vclock_was_used(VDSO_CLOCKMODE_HVCLOCK))
                        return vmf_insert_pfn(vma, vmf->address, pfn);
                break;
+       }
 #endif /* CONFIG_HYPERV_TIMER */
        }