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authorLinus Torvalds <torvalds@linux-foundation.org>2012-05-31 18:10:18 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2012-05-31 18:10:18 -0700
commit08615d7d85e5aa02c05bf6c4dde87d940e7f85f6 (patch)
tree18906149d313d25914160aca21cedf54b3a7e818 /init/do_mounts.c
parent9fdadb2cbaf4b482dfd6086e8bd3d2db071a1702 (diff)
parent0a4dd35c67b144d8ef9432120105f1aab9293ee9 (diff)
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Merge branch 'akpm' (Andrew's patch-bomb)
Merge misc patches from Andrew Morton: - the "misc" tree - stuff from all over the map - checkpatch updates - fatfs - kmod changes - procfs - cpumask - UML - kexec - mqueue - rapidio - pidns - some checkpoint-restore feature work. Reluctantly. Most of it delayed a release. I'm still rather worried that we don't have a clear roadmap to completion for this work. * emailed from Andrew Morton <akpm@linux-foundation.org>: (78 patches) kconfig: update compression algorithm info c/r: prctl: add ability to set new mm_struct::exe_file c/r: prctl: extend PR_SET_MM to set up more mm_struct entries c/r: procfs: add arg_start/end, env_start/end and exit_code members to /proc/$pid/stat syscalls, x86: add __NR_kcmp syscall fs, proc: introduce /proc/<pid>/task/<tid>/children entry sysctl: make kernel.ns_last_pid control dependent on CHECKPOINT_RESTORE aio/vfs: cleanup of rw_copy_check_uvector() and compat_rw_copy_check_uvector() eventfd: change int to __u64 in eventfd_signal() fs/nls: add Apple NLS pidns: make killed children autoreap pidns: use task_active_pid_ns in do_notify_parent rapidio/tsi721: add DMA engine support rapidio: add DMA engine support for RIO data transfers ipc/mqueue: add rbtree node caching support tools/selftests: add mq_perf_tests ipc/mqueue: strengthen checks on mqueue creation ipc/mqueue: correct mq_attr_ok test ipc/mqueue: improve performance of send/recv selftests: add mq_open_tests ...
Diffstat (limited to 'init/do_mounts.c')
-rw-r--r--init/do_mounts.c14
1 files changed, 12 insertions, 2 deletions
diff --git a/init/do_mounts.c b/init/do_mounts.c
index 42b0707c348..d3f0aeed2d3 100644
--- a/init/do_mounts.c
+++ b/init/do_mounts.c
@@ -1,3 +1,13 @@
+/*
+ * Many of the syscalls used in this file expect some of the arguments
+ * to be __user pointers not __kernel pointers. To limit the sparse
+ * noise, turn off sparse checking for this file.
+ */
+#ifdef __CHECKER__
+#undef __CHECKER__
+#warning "Sparse checking disabled for this file"
+#endif
+
#include <linux/module.h>
#include <linux/sched.h>
#include <linux/ctype.h>
@@ -330,7 +340,7 @@ static int __init do_mount_root(char *name, char *fs, int flags, void *data)
if (err)
return err;
- sys_chdir((const char __user __force *)"/root");
+ sys_chdir("/root");
s = current->fs->pwd.dentry->d_sb;
ROOT_DEV = s->s_dev;
printk(KERN_INFO
@@ -556,5 +566,5 @@ void __init prepare_namespace(void)
out:
devtmpfs_mount("dev");
sys_mount(".", "/", NULL, MS_MOVE, NULL);
- sys_chroot((const char __user __force *)".");
+ sys_chroot(".");
}