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| author | Haimin Zhang <tcs.kernel@gmail.com> | 2022-02-16 16:40:38 +0800 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2022-05-12 12:25:45 +0200 |
| commit | a439819f4797f0846c7cffa9475f44aef23c541f (patch) | |
| tree | 31113e175f74bb0f02e3ac885bb175fbcde6bade /block | |
| parent | a22d66eb518f444bd66b38dbf8235d98e40f37e1 (diff) | |
| download | linux-stable-a439819f4797f0846c7cffa9475f44aef23c541f.tar.gz linux-stable-a439819f4797f0846c7cffa9475f44aef23c541f.tar.bz2 linux-stable-a439819f4797f0846c7cffa9475f44aef23c541f.zip | |
block-map: add __GFP_ZERO flag for alloc_page in function bio_copy_kern
commit cc8f7fe1f5eab010191aa4570f27641876fa1267 upstream.
Add __GFP_ZERO flag for alloc_page in function bio_copy_kern to initialize
the buffer of a bio.
Signed-off-by: Haimin Zhang <tcs.kernel@gmail.com>
Reviewed-by: Chaitanya Kulkarni <kch@nvidia.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Link: https://lore.kernel.org/r/20220216084038.15635-1-tcs.kernel@gmail.com
Signed-off-by: Jens Axboe <axboe@kernel.dk>
[nobelbarakat: Backported to 5.10: Manually added flag]
Signed-off-by: Nobel Barakat <nobelbarakat@google.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'block')
| -rw-r--r-- | block/blk-map.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/block/blk-map.c b/block/blk-map.c index 21630dccac62..ede73f4f7014 100644 --- a/block/blk-map.c +++ b/block/blk-map.c @@ -488,7 +488,7 @@ static struct bio *bio_copy_kern(struct request_queue *q, void *data, if (bytes > len) bytes = len; - page = alloc_page(q->bounce_gfp | gfp_mask); + page = alloc_page(q->bounce_gfp | __GFP_ZERO | gfp_mask); if (!page) goto cleanup; |