[PATCH] uml: tidying COW code

[linux-2.6-microblaze.git] / arch / um / drivers / cow_user.c

diff --git a/arch/um/drivers/cow_user.c b/arch/um/drivers/cow_user.c
index d1c86bc..61951b7 100644 (file)
--- a/arch/um/drivers/cow_user.c
+++ b/arch/um/drivers/cow_user.c
@@ -362,7 +362,8 @@ int init_cow_file(int fd, char *cow_file, char *backing_file, int sectorsize,
        if(err != sizeof(zero)){
                cow_printf("Write of bitmap to new COW file '%s' failed, "
                           "err = %d\n", cow_file, -err);
-               err = -EINVAL;
+               if (err >= 0)
+                       err = -EINVAL;
                goto out;
        }