[PATCH 1/4] net/sysctl: use cpumask_parse in flow_limit_cpu_sysctl

[Christoph Hellwig]

cpumask_parse_user works on __user pointers, so this is wrong now.

Fixes: 32927393dc1c ("sysctl: pass kernel pointers to ->proc_handler")
Reported-by: build test robot <l...@intel.com>
Signed-off-by: Christoph Hellwig <h...@lst.de>
---
 net/core/sysctl_net_core.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/net/core/sysctl_net_core.c b/net/core/sysctl_net_core.c
index 0ddb13a6282b0..d14d049af52ae 100644
--- a/net/core/sysctl_net_core.c
+++ b/net/core/sysctl_net_core.c
@@ -126,7 +126,7 @@ static int flow_limit_cpu_sysctl(struct ctl_table *table, 
int write,
                return -ENOMEM;
 
        if (write) {
-               ret = cpumask_parse_user(buffer, *lenp, mask);
+               ret = cpumask_parse(buffer, mask);
                if (ret)
                        goto done;
 
-- 
2.26.2