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-rw-r--r--fs/fcntl.c11
1 files changed, 5 insertions, 6 deletions
diff --git a/fs/fcntl.c b/fs/fcntl.c
index e15bcc4265d0..0522e283a4f4 100644
--- a/fs/fcntl.c
+++ b/fs/fcntl.c
@@ -563,6 +563,9 @@ static int put_compat_flock64(const struct flock *kfl, struct compat_flock64 __u
{
struct compat_flock64 fl;
+ BUILD_BUG_ON(sizeof(kfl->l_start) > sizeof(ufl->l_start));
+ BUILD_BUG_ON(sizeof(kfl->l_len) > sizeof(ufl->l_len));
+
memset(&fl, 0, sizeof(struct compat_flock64));
copy_flock_fields(&fl, kfl);
if (copy_to_user(ufl, &fl, sizeof(struct compat_flock64)))
@@ -641,12 +644,8 @@ COMPAT_SYSCALL_DEFINE3(fcntl64, unsigned int, fd, unsigned int, cmd,
if (err)
break;
err = fcntl_getlk(f.file, convert_fcntl_cmd(cmd), &flock);
- if (err)
- break;
- err = fixup_compat_flock(&flock);
- if (err)
- return err;
- err = put_compat_flock64(&flock, compat_ptr(arg));
+ if (!err)
+ err = put_compat_flock64(&flock, compat_ptr(arg));
break;
case F_SETLK:
case F_SETLKW: