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| author |   Sjur Brændeland <sjur.brandeland@stericsson.com> | 2012-10-15 09:57:33 +0200 |
|---|---|---|
| committer |   Rusty Russell <rusty@rustcorp.com.au> | 2012-12-18 15:20:39 +1030 |
| commit | fe5295374ec9ac56ba3b619c5c1792b3fd66d859 (patch) | |
| tree | 63fc2e035669b7b44b3babc452b48ae49769787d /drivers/char | |
| parent | virtio: tools: make it clear that virtqueue_add_buf() no longer returns > 0 (diff) | |
| download | linux-dev-fe5295374ec9ac56ba3b619c5c1792b3fd66d859.tar.xz linux-dev-fe5295374ec9ac56ba3b619c5c1792b3fd66d859.zip | |
virtio_console: Free buffer if splice fails
Free the allocated scatter list if send_pages fails in function
port_splice_write.
Signed-off-by: Sjur Brændeland <sjur.brandeland@stericsson.com>
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
Diffstat (limited to 'drivers/char')
| -rw-r--r-- | drivers/char/virtio_console.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/char/virtio_console.c b/drivers/char/virtio_console.c index 6a369942da84..09d193dbb233 100644 --- a/drivers/char/virtio_console.c +++ b/drivers/char/virtio_console.c @@ -881,6 +881,8 @@ static ssize_t port_fops_splice_write(struct pipe_inode_info *pipe, if (likely(ret > 0)) ret = send_pages(port, sgl.sg, sgl.n, sgl.len, true); + if (unlikely(ret <= 0)) + kfree(sgl.sg); return ret; } |