ksmbd: Fix spelling mistake "excceed" -> "exceeded"

mainline inclusion
from mainline-v6.3-rc1
commit 7a17c61e
category: bugfix
bugzilla: https://gitee.com/openeuler/kernel/issues/I7CETC
CVE: NA

Reference: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=7a17c61ee3b2683c40090179c273f4701fca9677



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There is a spelling mistake in an error message. Fix it.

Signed-off-by: Colin Ian King <colin.i.king@gmail.com>
Acked-by: Namjae Jeon <linkinjeon@kernel.org>
Signed-off-by: Steve French <stfrench@microsoft.com>
Signed-off-by: ZhaoLong Wang <wangzhaolong1@huawei.com>