Merge tag 'rdma-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/roland...

[firefly-linux-kernel-4.4.55.git] / fs / splice.c

diff --git a/fs/splice.c b/fs/splice.c
index 8e7eef755a9b259b4debacb54d8377e8c2a88c0f..f5cb9ba84510fe5632a62af0bbf3843a45eeba23 100644 (file)
--- a/fs/splice.c
+++ b/fs/splice.c
@@ -1548,7 +1548,7 @@ static long vmsplice_to_user(struct file *file, const struct iovec __user *uiov,
        struct iovec iovstack[UIO_FASTIOV];
        struct iovec *iov = iovstack;
        struct iov_iter iter;
-       ssize_t count = 0;
+       ssize_t count;
 
        pipe = get_pipe_info(file);
        if (!pipe)
@@ -1557,8 +1557,9 @@ static long vmsplice_to_user(struct file *file, const struct iovec __user *uiov,
        ret = rw_copy_check_uvector(READ, uiov, nr_segs,
                                    ARRAY_SIZE(iovstack), iovstack, &iov);
        if (ret <= 0)
-               return ret;
+               goto out;
 
+       count = ret;
        iov_iter_init(&iter, READ, iov, nr_segs, count);
 
        sd.len = 0;
@@ -1571,6 +1572,7 @@ static long vmsplice_to_user(struct file *file, const struct iovec __user *uiov,
        ret = __splice_from_pipe(pipe, &sd, pipe_to_user);
        pipe_unlock(pipe);
 
+out:
        if (iov != iovstack)
                kfree(iov);