From: Ronnie Sahlberg <lsahlber@xxxxxxxxxx> [ Upstream commit b946dbcfa4df80ec81b442964e07ad37000cc059 ] We lost parsing of backupuid in the switch to new mount API. Add it back. Signed-off-by: Ronnie Sahlberg <lsahlber@xxxxxxxxxx> Reviewed-by: Shyam Prasad N <sprasad@xxxxxxxxxxxxx> Cc: <stable@xxxxxxxxxxxxxxx> # v5.11+ Reported-by: Xiaoli Feng <xifeng@xxxxxxxxxx> Signed-off-by: Steve French <stfrench@xxxxxxxxxxxxx> Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx> --- fs/cifs/fs_context.c | 7 +++++++ 1 file changed, 7 insertions(+) diff --git a/fs/cifs/fs_context.c b/fs/cifs/fs_context.c index 553adfbcc22a..72742eb1df4a 100644 --- a/fs/cifs/fs_context.c +++ b/fs/cifs/fs_context.c @@ -918,6 +918,13 @@ static int smb3_fs_context_parse_param(struct fs_context *fc, ctx->cred_uid = uid; ctx->cruid_specified = true; break; + case Opt_backupuid: + uid = make_kuid(current_user_ns(), result.uint_32); + if (!uid_valid(uid)) + goto cifs_parse_mount_err; + ctx->backupuid = uid; + ctx->backupuid_specified = true; + break; case Opt_backupgid: gid = make_kgid(current_user_ns(), result.uint_32); if (!gid_valid(gid)) -- 2.30.2
