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userns: Remove unnecessary cast to struct user_struct when copying cred->user. 

In struct cred the user member is and has always been declared struct user_struct *user.
At most a constant struct cred will have a constant pointer to non-constant user_struct
so remove this unnecessary cast.

Acked-by: Serge Hallyn <serge.hallyn@canonical.com>
Signed-off-by: Eric W. Biederman <ebiederm@xmission.com>
This commit is contained in:
Eric W. Biederman 2012-03-03 18:58:11 -08:00
parent 39fda8db80
commit 74ba508f60
1 changed files with 2 additions and 2 deletions
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4
kernel/sys.c
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@ -209,7 +209,7 @@ SYSCALL_DEFINE3(setpriority, int, which, int, who, int, niceval)
} while_each_pid_thread(pgrp, PIDTYPE_PGID, p);
break;
case PRIO_USER:
user = (struct user_struct *) cred->user;
user = cred->user;
if (!who)
who = cred->uid;
else if ((who != cred->uid) &&
@ -274,7 +274,7 @@ SYSCALL_DEFINE2(getpriority, int, which, int, who)
} while_each_pid_thread(pgrp, PIDTYPE_PGID, p);
break;
case PRIO_USER:
user = (struct user_struct *) cred->user;
user = cred->user;
if (!who)
who = cred->uid;
else if ((who != cred->uid) &&