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Commit 302e1acd authored by Hyunchul Lee's avatar Hyunchul Lee Committed by Greg Kroah-Hartman
Browse files

cifs: fix the out of range assignment to bit fields in parse_server_interfaces 



[ Upstream commit c9c9c6815f9004ee1ec87401ed0796853bd70f1b ]

Because the out of range assignment to bit fields
are compiler-dependant, the fields could have wrong
value.

Signed-off-by: default avatarHyunchul Lee <hyc.lee@gmail.com>
Signed-off-by: default avatarSteve French <stfrench@microsoft.com>
Signed-off-by: default avatarSasha Levin <sashal@kernel.org>
parent 02a470e3

fs/cifs/smb2ops.c

+2 −2
Original line number Diff line number Diff line
@@ -498,8 +498,8 @@ parse_server_interfaces(struct network_interface_info_ioctl_rsp *buf, 
	p = buf;

	while (bytes_left >= sizeof(*p)) {

		info->speed = le64_to_cpu(p->LinkSpeed);

		info->rdma_capable = le32_to_cpu(p->Capability & RDMA_CAPABLE);

		info->rss_capable = le32_to_cpu(p->Capability & RSS_CAPABLE);

		info->rdma_capable = le32_to_cpu(p->Capability & RDMA_CAPABLE) ? 1 : 0;

		info->rss_capable = le32_to_cpu(p->Capability & RSS_CAPABLE) ? 1 : 0;



		cifs_dbg(FYI, "%s: adding iface %zu\n", __func__, *iface_count);

		cifs_dbg(FYI, "%s: speed %zu bps\n", __func__, info->speed);