devmem: fix kmem write bug on memory holes

[deliverable/linux.git] / drivers / char / mem.c

diff --git a/drivers/char/mem.c b/drivers/char/mem.c
index 1fd4b110d81550114612b120d9cb04d056464dac..48788db4e280f89e289a4d9f2e31b8519244b82c 100644 (file)
--- a/drivers/char/mem.c
+++ b/drivers/char/mem.c
@@ -555,7 +555,7 @@ static ssize_t write_kmem(struct file * file, const char __user * buf,
                                err = -EFAULT;
                                break;
                        }
-                       sz = vwrite(kbuf, (char *)p, sz);
+                       vwrite(kbuf, (char *)p, sz);
                        count -= sz;
                        buf += sz;
                        virtr += sz;