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

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[ 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>
This commit is contained in:
Hyunchul Lee 2021-07-12 19:34:02 +09:00 committed by Greg Kroah-Hartman
parent fe5fe0b1c8
commit 6503940748
1 changed files with 2 additions and 2 deletions
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4
fs/cifs/smb2ops.c
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@ -497,8 +497,8 @@ 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);