1 files changed, 2 insertions, 0 deletions

diff --git a/arch/x86/kernel/cpu/mtrr/if.c b/arch/x86/kernel/cpu/mtrr/if.c
index 2e173d47b450..4d36dcc1cf87 100644
--- a/arch/x86/kernel/cpu/mtrr/if.c
+++ b/arch/x86/kernel/cpu/mtrr/if.c
@@ -165,6 +165,8 @@ mtrr_ioctl(struct file *file, unsigned int cmd, unsigned long __arg)
         struct mtrr_gentry gentry;
         void __user *arg = (void __user *) __arg;
 
+        memset(&gentry, 0, sizeof(gentry));
+
         switch (cmd) {
         case MTRRIOC_ADD_ENTRY:
         case MTRRIOC_SET_ENTRY: