netrom: fix copying in user data in nr_setsockopt
stable inclusion from stable-v5.10.91 commit a7c2cae997db6d39a858f42d898d866058a7e035 bugzilla: 186187 https://gitee.com/openeuler/kernel/issues/I4SI2C Reference: https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?id=a7c2cae997db6d39a858f42d898d866058a7e035 -------------------------------- commit 3087a6f3 upstream. This code used to copy in an unsigned long worth of data before the sockptr_t conversion, so restore that. Fixes: a7b75c5a ("net: pass a sockptr_t into ->setsockopt") Reported-by: NDan Carpenter <dan.carpenter@oracle.com> Signed-off-by: NChristoph Hellwig <hch@lst.de> Signed-off-by: NDavid S. Miller <davem@davemloft.net> Signed-off-by: NGreg Kroah-Hartman <gregkh@linuxfoundation.org> Signed-off-by: NChen Jun <chenjun102@huawei.com> Signed-off-by: NZheng Zengkai <zhengzengkai@huawei.com>
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