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Diffstat (limited to 'kernel')
-rw-r--r--kernel/compat.c17
-rw-r--r--kernel/sys.c17
2 files changed, 11 insertions, 23 deletions
diff --git a/kernel/compat.c b/kernel/compat.c
index 5adab05a317..e167efce842 100644
--- a/kernel/compat.c
+++ b/kernel/compat.c
@@ -279,11 +279,6 @@ asmlinkage long compat_sys_setrlimit(unsigned int resource,
struct compat_rlimit __user *rlim)
{
struct rlimit r;
- int ret;
- mm_segment_t old_fs = get_fs ();
-
- if (resource >= RLIM_NLIMITS)
- return -EINVAL;
if (!access_ok(VERIFY_READ, rlim, sizeof(*rlim)) ||
__get_user(r.rlim_cur, &rlim->rlim_cur) ||
@@ -294,10 +289,7 @@ asmlinkage long compat_sys_setrlimit(unsigned int resource,
r.rlim_cur = RLIM_INFINITY;
if (r.rlim_max == COMPAT_RLIM_INFINITY)
r.rlim_max = RLIM_INFINITY;
- set_fs(KERNEL_DS);
- ret = sys_setrlimit(resource, (struct rlimit __user *) &r);
- set_fs(old_fs);
- return ret;
+ return do_prlimit(current, resource, &r, NULL);
}
#ifdef COMPAT_RLIM_OLD_INFINITY
@@ -329,16 +321,13 @@ asmlinkage long compat_sys_old_getrlimit(unsigned int resource,
#endif
-asmlinkage long compat_sys_getrlimit (unsigned int resource,
+asmlinkage long compat_sys_getrlimit(unsigned int resource,
struct compat_rlimit __user *rlim)
{
struct rlimit r;
int ret;
- mm_segment_t old_fs = get_fs();
- set_fs(KERNEL_DS);
- ret = sys_getrlimit(resource, (struct rlimit __user *) &r);
- set_fs(old_fs);
+ ret = do_prlimit(current, resource, NULL, &r);
if (!ret) {
if (r.rlim_cur > COMPAT_RLIM_INFINITY)
r.rlim_cur = COMPAT_RLIM_INFINITY;
diff --git a/kernel/sys.c b/kernel/sys.c
index bc7d1be0960..9da98dd4727 100644
--- a/kernel/sys.c
+++ b/kernel/sys.c
@@ -1236,15 +1236,14 @@ SYSCALL_DEFINE2(setdomainname, char __user *, name, int, len)
SYSCALL_DEFINE2(getrlimit, unsigned int, resource, struct rlimit __user *, rlim)
{
- if (resource >= RLIM_NLIMITS)
- return -EINVAL;
- else {
- struct rlimit value;
- task_lock(current->group_leader);
- value = current->signal->rlim[resource];
- task_unlock(current->group_leader);
- return copy_to_user(rlim, &value, sizeof(*rlim)) ? -EFAULT : 0;
- }
+ struct rlimit value;
+ int ret;
+
+ ret = do_prlimit(current, resource, NULL, &value);
+ if (!ret)
+ ret = copy_to_user(rlim, &value, sizeof(*rlim)) ? -EFAULT : 0;
+
+ return ret;
}
#ifdef __ARCH_WANT_SYS_OLD_GETRLIMIT