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: Hyunchul Lee <hyc.lee@gmail.com>
Signed-off-by: Steve French <stfrench@microsoft.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>

diff --git a/fs/cifs/smb2ops.c b/fs/cifs/smb2ops.c
index 5a14f518cd9791871dd4aab7dbc8d0a46587a1d5..61955a7c838b47dbf7cffa74b0c16f59b2eb06a8 100644 (file)
--- a/fs/cifs/smb2ops.c
+++ b/fs/cifs/smb2ops.c
@@ -386,8 +386,8 @@ 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);