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virtio_console: Free buffer if splice fails

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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>
This commit is contained in:
Sjur Brændeland 2012-10-15 09:57:33 +02:00 committed by Rusty Russell
parent de929b0445
commit fe5295374e
1 changed files with 2 additions and 0 deletions
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2
drivers/char/virtio_console.c
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@ -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;
}