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| author | Kyle Spiers <kyle@spiers.me> | 2018-03-17 09:44:01 -0700 |
|---|---|---|
| committer | Ilya Dryomov <idryomov@gmail.com> | 2018-04-02 10:12:50 +0200 |
| commit | 08a79102aa373e03ce704621fd84567605214465 (patch) | |
| tree | adac761d483b00e4beabf0b1e108c8d60d196860 | |
| parent | f6870cc9a36623d1dcb0aceade9e8a4785a4283a (diff) | |
| download | linux-stable-08a79102aa373e03ce704621fd84567605214465.tar.gz linux-stable-08a79102aa373e03ce704621fd84567605214465.tar.bz2 linux-stable-08a79102aa373e03ce704621fd84567605214465.zip | |
rbd: remove VLA usage
As part of the effort to remove VLAs from the kernel[1], this moves
the literal values into the stack array calculation instead of using a
variable for the sizing. The resulting size can be found from
sizeof(buf).
[1] https://lkml.org/lkml/2018/3/7/621
Signed-off-by: Kyle Spiers <kyle@spiers.me>
Reviewed-by: Ilya Dryomov <idryomov@gmail.com>
Signed-off-by: Ilya Dryomov <idryomov@gmail.com>
| -rw-r--r-- | drivers/block/rbd.c | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/drivers/block/rbd.c b/drivers/block/rbd.c index aab513f1fb00..e60a638c2d32 100644 --- a/drivers/block/rbd.c +++ b/drivers/block/rbd.c @@ -2683,8 +2683,8 @@ static int __rbd_notify_op_lock(struct rbd_device *rbd_dev, { struct ceph_osd_client *osdc = &rbd_dev->rbd_client->client->osdc; struct rbd_client_id cid = rbd_get_cid(rbd_dev); - int buf_size = 4 + 8 + 8 + CEPH_ENCODING_START_BLK_LEN; - char buf[buf_size]; + char buf[4 + 8 + 8 + CEPH_ENCODING_START_BLK_LEN]; + int buf_size = sizeof(buf); void *p = buf; dout("%s rbd_dev %p notify_op %d\n", __func__, rbd_dev, notify_op); @@ -3202,8 +3202,8 @@ static void __rbd_acknowledge_notify(struct rbd_device *rbd_dev, u64 notify_id, u64 cookie, s32 *result) { struct ceph_osd_client *osdc = &rbd_dev->rbd_client->client->osdc; - int buf_size = 4 + CEPH_ENCODING_START_BLK_LEN; - char buf[buf_size]; + char buf[4 + CEPH_ENCODING_START_BLK_LEN]; + int buf_size = sizeof(buf); int ret; if (result) { |