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fuse: reduce allocation size for splice_write 

The 'bufs' array contains 'pipe->buffers' elements, but the
fuse_dev_splice_write() uses only 'pipe->nrbufs' elements.

So reduce the allocation size to 'pipe->nrbufs' elements.

Signed-off-by: Andrey Ryabinin <aryabinin@virtuozzo.com>
Signed-off-by: Miklos Szeredi <mszeredi@redhat.com>
This commit is contained in:
Andrey Ryabinin 2018-07-17 19:00:35 +03:00 committed by Miklos Szeredi
parent d6d931adce
commit 9635453572
1 changed files with 1 additions and 1 deletions
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2
fs/fuse/dev.c
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@ -1957,7 +1957,7 @@ static ssize_t fuse_dev_splice_write(struct pipe_inode_info *pipe,
pipe_lock(pipe); pipe_lock(pipe);
bufs = kvmalloc_array(pipe->buffers, sizeof(struct pipe_buffer), bufs = kvmalloc_array(pipe->nrbufs, sizeof(struct pipe_buffer),
GFP_KERNEL); GFP_KERNEL);
if (!bufs) { if (!bufs) {
pipe_unlock(pipe); pipe_unlock(pipe);