diff options
| author | Like Xu <likexu@tencent.com> | 2023-06-25 15:34:38 +0800 |
|---|---|---|
| committer | Sean Christopherson <seanjc@google.com> | 2023-07-31 13:55:26 -0700 |
| commit | 1d6664fadda3e028b8220ba1ba487a928e801825 (patch) | |
| tree | 197f81e5a4d6b4f1a6e41618c7de9542ecb13ac6 /arch/x86/kvm/vmx/vmx.c | |
| parent | fdf0eaf11452d72945af31804e2a1048ee1b574c (diff) | |
KVM: x86: Use sysfs_emit() instead of sprintf()
Use sysfs_emit() instead of the sprintf() for sysfs entries. sysfs_emit()
knows the maximum of the temporary buffer used for outputting sysfs
content and avoids overrunning the buffer length.
Signed-off-by: Like Xu <likexu@tencent.com>
Link: https://lore.kernel.org/r/20230625073438.57427-1-likexu@tencent.com
Signed-off-by: Sean Christopherson <seanjc@google.com>
Diffstat (limited to 'arch/x86/kvm/vmx/vmx.c')
| -rw-r--r-- | arch/x86/kvm/vmx/vmx.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/arch/x86/kvm/vmx/vmx.c b/arch/x86/kvm/vmx/vmx.c index 0ecf4be2c6af..254f2296e549 100644 --- a/arch/x86/kvm/vmx/vmx.c +++ b/arch/x86/kvm/vmx/vmx.c @@ -366,9 +366,9 @@ static int vmentry_l1d_flush_set(const char *s, const struct kernel_param *kp) static int vmentry_l1d_flush_get(char *s, const struct kernel_param *kp) { if (WARN_ON_ONCE(l1tf_vmx_mitigation >= ARRAY_SIZE(vmentry_l1d_param))) - return sprintf(s, "???\n"); + return sysfs_emit(s, "???\n"); - return sprintf(s, "%s\n", vmentry_l1d_param[l1tf_vmx_mitigation].option); + return sysfs_emit(s, "%s\n", vmentry_l1d_param[l1tf_vmx_mitigation].option); } static void vmx_setup_fb_clear_ctrl(void) |