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fuse: BUG_ON correction in fuse_dev_splice_write()

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commit 9635453572 ("fuse: reduce allocation size for splice_write")
changed size of bufs array, so BUG_ON which checks the index of the array
shold also be fixed.

[SzM: turn BUG_ON into WARN_ON]

Fixes: 9635453572 ("fuse: reduce allocation size for splice_write")
Signed-off-by: Vasily Averin <vvs@virtuozzo.com>
Signed-off-by: Miklos Szeredi <mszeredi@redhat.com>
This commit is contained in:
Vasily Averin 2019-08-19 09:53:50 +03:00 committed by Miklos Szeredi
parent a5d8422cc9
commit 0e9fb6f17a
1 changed files with 3 additions and 2 deletions
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5
fs/fuse/dev.c
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@ -1977,8 +1977,9 @@ static ssize_t fuse_dev_splice_write(struct pipe_inode_info *pipe,
struct pipe_buffer *ibuf;
struct pipe_buffer *obuf;
BUG_ON(nbuf >= pipe->ring_size);
BUG_ON(tail == head);
if (WARN_ON(nbuf >= count || tail == head))
goto out_free;
ibuf = &pipe->bufs[tail & mask];
obuf = &bufs[nbuf];