1 files changed, 1 insertions, 1 deletions

diff --git a/fs/compat.c b/fs/compat.c
index 970888aad843..01f39f87f372 100644
--- a/fs/compat.c
+++ b/fs/compat.c
@@ -1913,7 +1913,7 @@ asmlinkage long compat_sys_ppoll(struct pollfd __user *ufds,
         }
 
         if (sigmask) {
-                if (sigsetsize |= sizeof(compat_sigset_t))
+                if (sigsetsize != sizeof(compat_sigset_t))
                         return -EINVAL;
                 if (copy_from_user(&ss32, sigmask, sizeof(ss32)))
                         return -EFAULT;