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-rw-r--r--kernel/sys.c16
1 files changed, 8 insertions, 8 deletions
diff --git a/kernel/sys.c b/kernel/sys.c
index 31deba8..ed5c29c 100644
--- a/kernel/sys.c
+++ b/kernel/sys.c
@@ -114,10 +114,10 @@ void (*pm_power_off_prepare)(void);
static int set_one_prio(struct task_struct *p, int niceval, int error)
{
+ uid_t euid = current_euid();
int no_nice;
- if (p->uid != current->euid &&
- p->euid != current->euid && !capable(CAP_SYS_NICE)) {
+ if (p->uid != euid && p->euid != euid && !capable(CAP_SYS_NICE)) {
error = -EPERM;
goto out;
}
@@ -176,16 +176,16 @@ asmlinkage long sys_setpriority(int which, int who, int niceval)
case PRIO_USER:
user = current->user;
if (!who)
- who = current->uid;
+ who = current_uid();
else
- if ((who != current->uid) && !(user = find_user(who)))
+ if (who != current_uid() && !(user = find_user(who)))
goto out_unlock; /* No processes for this user */
do_each_thread(g, p)
if (p->uid == who)
error = set_one_prio(p, niceval, error);
while_each_thread(g, p);
- if (who != current->uid)
+ if (who != current_uid())
free_uid(user); /* For find_user() */
break;
}
@@ -238,9 +238,9 @@ asmlinkage long sys_getpriority(int which, int who)
case PRIO_USER:
user = current->user;
if (!who)
- who = current->uid;
+ who = current_uid();
else
- if ((who != current->uid) && !(user = find_user(who)))
+ if (who != current_uid() && !(user = find_user(who)))
goto out_unlock; /* No processes for this user */
do_each_thread(g, p)
@@ -250,7 +250,7 @@ asmlinkage long sys_getpriority(int which, int who)
retval = niceval;
}
while_each_thread(g, p);
- if (who != current->uid)
+ if (who != current_uid())
free_uid(user); /* for find_user() */
break;
}
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