From 66797aabf112fc08e23cad1385c052d34f9994ba Mon Sep 17 00:00:00 2001 From: Varun Prakash Date: Wed, 9 Aug 2023 15:56:45 +0530 Subject: [PATCH] nvmet-tcp: pass iov_len instead of sg->length to bvec_set_page() [ Upstream commit 1f0bbf28940cf5edad90ab57b62aa8197bf5e836 ] iov_len is the valid data length, so pass iov_len instead of sg->length to bvec_set_page(). Fixes: 5bfaba275ae6 ("nvmet-tcp: don't map pages which can't come from HIGHMEM") Signed-off-by: Rakshana Sridhar Signed-off-by: Varun Prakash Reviewed-by: Sagi Grimberg Reviewed-by: Christoph Hellwig Signed-off-by: Keith Busch Signed-off-by: Sasha Levin --- drivers/nvme/target/tcp.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/nvme/target/tcp.c b/drivers/nvme/target/tcp.c index 868aa4de2e4c4..cd92d7ddf5ed1 100644 --- a/drivers/nvme/target/tcp.c +++ b/drivers/nvme/target/tcp.c @@ -348,7 +348,7 @@ static void nvmet_tcp_build_pdu_iovec(struct nvmet_tcp_cmd *cmd) while (length) { u32 iov_len = min_t(u32, length, sg->length - sg_offset); - bvec_set_page(iov, sg_page(sg), sg->length, + bvec_set_page(iov, sg_page(sg), iov_len, sg->offset + sg_offset); length -= iov_len;