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[v2,3/3] fs/fuse, splice_write: reduce allocation size.

Message ID 20180717160035.9422-3-aryabinin@virtuozzo.com (mailing list archive)
State New, archived
Headers show

Commit Message

Andrey Ryabinin July 17, 2018, 4 p.m. UTC 
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>
---
 fs/fuse/dev.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
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Patch

diff --git a/fs/fuse/dev.c b/fs/fuse/dev.c
index fd4a838c1673..d78af3c146f9 100644
--- a/fs/fuse/dev.c
+++ b/fs/fuse/dev.c
@@ -1946,7 +1946,7 @@  static ssize_t fuse_dev_splice_write(struct pipe_inode_info *pipe,
 
 	pipe_lock(pipe);
 
-	bufs = kvmalloc_array(pipe->buffers, sizeof(struct pipe_buffer),
+	bufs = kvmalloc_array(pipe->nrbufs, sizeof(struct pipe_buffer),
 			      GFP_KERNEL);
 	if (!bufs) {
 		pipe_unlock(pipe);