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-rw-r--r--arch/powerpc/include/asm/compat.h1
-rw-r--r--arch/s390/include/asm/compat.h1
-rw-r--r--arch/x86/include/asm/compat.h1
-rw-r--r--include/linux/syscalls.h2
-rw-r--r--kernel/compat.c29
-rw-r--r--kernel/sys.c24
6 files changed, 25 insertions, 33 deletions
diff --git a/arch/powerpc/include/asm/compat.h b/arch/powerpc/include/asm/compat.h
index 4f2df589ec1d..f256e1d14a14 100644
--- a/arch/powerpc/include/asm/compat.h
+++ b/arch/powerpc/include/asm/compat.h
@@ -109,7 +109,6 @@ struct compat_statfs {
int f_spare[4];
};
-#define COMPAT_RLIM_OLD_INFINITY 0x7fffffff
#define COMPAT_RLIM_INFINITY 0xffffffff
typedef u32 compat_old_sigset_t;
diff --git a/arch/s390/include/asm/compat.h b/arch/s390/include/asm/compat.h
index 0ddd37e6c29d..b9300f8aee10 100644
--- a/arch/s390/include/asm/compat.h
+++ b/arch/s390/include/asm/compat.h
@@ -178,7 +178,6 @@ struct compat_statfs64 {
u32 f_spare[4];
};
-#define COMPAT_RLIM_OLD_INFINITY 0x7fffffff
#define COMPAT_RLIM_INFINITY 0xffffffff
typedef u32 compat_old_sigset_t; /* at least 32 bits */
diff --git a/arch/x86/include/asm/compat.h b/arch/x86/include/asm/compat.h
index 24118c0b4640..5343c19814b3 100644
--- a/arch/x86/include/asm/compat.h
+++ b/arch/x86/include/asm/compat.h
@@ -116,7 +116,6 @@ struct compat_statfs {
int f_spare[4];
};
-#define COMPAT_RLIM_OLD_INFINITY 0x7fffffff
#define COMPAT_RLIM_INFINITY 0xffffffff
typedef u32 compat_old_sigset_t; /* at least 32 bits */
diff --git a/include/linux/syscalls.h b/include/linux/syscalls.h
index 980c3c9b06f8..3cb15ea48aee 100644
--- a/include/linux/syscalls.h
+++ b/include/linux/syscalls.h
@@ -650,7 +650,7 @@ asmlinkage long sys_olduname(struct oldold_utsname __user *);
asmlinkage long sys_getrlimit(unsigned int resource,
struct rlimit __user *rlim);
-#if defined(COMPAT_RLIM_OLD_INFINITY) || !(defined(CONFIG_IA64))
+#ifdef __ARCH_WANT_SYS_OLD_GETRLIMIT
asmlinkage long sys_old_getrlimit(unsigned int resource, struct rlimit __user *rlim);
#endif
asmlinkage long sys_setrlimit(unsigned int resource,
diff --git a/kernel/compat.c b/kernel/compat.c
index 933bcb31ae10..860f674fa556 100644
--- a/kernel/compat.c
+++ b/kernel/compat.c
@@ -468,35 +468,6 @@ COMPAT_SYSCALL_DEFINE2(setrlimit, unsigned int, resource,
return do_prlimit(current, resource, &r, NULL);
}
-#ifdef COMPAT_RLIM_OLD_INFINITY
-
-COMPAT_SYSCALL_DEFINE2(old_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_old_getrlimit(resource, (struct rlimit __user *)&r);
- set_fs(old_fs);
-
- if (!ret) {
- if (r.rlim_cur > COMPAT_RLIM_OLD_INFINITY)
- r.rlim_cur = COMPAT_RLIM_INFINITY;
- if (r.rlim_max > COMPAT_RLIM_OLD_INFINITY)
- r.rlim_max = COMPAT_RLIM_INFINITY;
-
- if (!access_ok(VERIFY_WRITE, rlim, sizeof(*rlim)) ||
- __put_user(r.rlim_cur, &rlim->rlim_cur) ||
- __put_user(r.rlim_max, &rlim->rlim_max))
- return -EFAULT;
- }
- return ret;
-}
-
-#endif
-
COMPAT_SYSCALL_DEFINE2(getrlimit, unsigned int, resource,
struct compat_rlimit __user *, rlim)
{
diff --git a/kernel/sys.c b/kernel/sys.c
index 8a94b4eabcaa..3778a8a417b6 100644
--- a/kernel/sys.c
+++ b/kernel/sys.c
@@ -1328,6 +1328,30 @@ SYSCALL_DEFINE2(old_getrlimit, unsigned int, resource,
return copy_to_user(rlim, &x, sizeof(x)) ? -EFAULT : 0;
}
+#ifdef CONFIG_COMPAT
+COMPAT_SYSCALL_DEFINE2(old_getrlimit, unsigned int, resource,
+ struct compat_rlimit __user *, rlim)
+{
+ struct rlimit r;
+
+ if (resource >= RLIM_NLIMITS)
+ return -EINVAL;
+
+ task_lock(current->group_leader);
+ r = current->signal->rlim[resource];
+ task_unlock(current->group_leader);
+ if (r.rlim_cur > 0x7FFFFFFF)
+ r.rlim_cur = 0x7FFFFFFF;
+ if (r.rlim_max > 0x7FFFFFFF)
+ r.rlim_max = 0x7FFFFFFF;
+
+ if (put_user(r.rlim_cur, &rlim->rlim_cur) ||
+ put_user(r.rlim_max, &rlim->rlim_max))
+ return -EFAULT;
+ return 0;
+}
+#endif
+
#endif
static inline bool rlim64_is_infinity(__u64 rlim64)