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Petersen" , James Bottomley CC: , , "Bart Van Assche" , "J . 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References: commit 82ed4db499b8 ("block: split scsi_request out of struct request") Signed-off-by: Bart Van Assche Cc: J. Bruce Fields Cc: Jeff Layton Cc: Jens Axboe Cc: Christoph Hellwig Cc: Omar Sandoval Cc: Hannes Reinecke Cc: linux-nfs@vger.kernel.org Cc: linux-block@vger.kernel.org Reviewed-by: Hannes Reinecke --- fs/nfsd/blocklayout.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/fs/nfsd/blocklayout.c b/fs/nfsd/blocklayout.c index fb5213afc854..9ca0ca5efbc8 100644 --- a/fs/nfsd/blocklayout.c +++ b/fs/nfsd/blocklayout.c @@ -219,6 +219,9 @@ static int nfsd4_scsi_identify_device(struct block_device *bdev, u8 *buf, *d, type, assoc; int error; + if (WARN_ON_ONCE(!blk_queue_scsi_sup(q))) + return -EINVAL; + buf = kzalloc(bufflen, GFP_KERNEL); if (!buf) return -ENOMEM;