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-rw-r--r--init/initramfs.c49
1 files changed, 1 insertions, 48 deletions
diff --git a/init/initramfs.c b/init/initramfs.c
index d10404625c31..1bc977ebfe31 100644
--- a/init/initramfs.c
+++ b/init/initramfs.c
@@ -11,6 +11,7 @@
#include <linux/utime.h>
#include <linux/file.h>
#include <linux/memblock.h>
+#include <linux/namei.h>
static ssize_t __init xwrite(int fd, const char *p, size_t count)
{
@@ -572,53 +573,6 @@ static inline bool kexec_free_initrd(void)
#endif /* CONFIG_KEXEC_CORE */
#ifdef CONFIG_BLK_DEV_RAM
-#define BUF_SIZE 1024
-static void __init clean_rootfs(void)
-{
- int fd;
- void *buf;
- struct linux_dirent64 *dirp;
- int num;
-
- fd = ksys_open("/", O_RDONLY, 0);
- WARN_ON(fd < 0);
- if (fd < 0)
- return;
- buf = kzalloc(BUF_SIZE, GFP_KERNEL);
- WARN_ON(!buf);
- if (!buf) {
- ksys_close(fd);
- return;
- }
-
- dirp = buf;
- num = ksys_getdents64(fd, dirp, BUF_SIZE);
- while (num > 0) {
- while (num > 0) {
- struct kstat st;
- int ret;
-
- ret = vfs_lstat(dirp->d_name, &st);
- WARN_ON_ONCE(ret);
- if (!ret) {
- if (S_ISDIR(st.mode))
- ksys_rmdir(dirp->d_name);
- else
- ksys_unlink(dirp->d_name);
- }
-
- num -= dirp->d_reclen;
- dirp = (void *)dirp + dirp->d_reclen;
- }
- dirp = buf;
- memset(buf, 0, BUF_SIZE);
- num = ksys_getdents64(fd, dirp, BUF_SIZE);
- }
-
- ksys_close(fd);
- kfree(buf);
-}
-
static void __init populate_initrd_image(char *err)
{
ssize_t written;
@@ -658,7 +612,6 @@ static int __init populate_rootfs(void)
err = unpack_to_rootfs((char *)initrd_start, initrd_end - initrd_start);
if (err) {
#ifdef CONFIG_BLK_DEV_RAM
- clean_rootfs();
populate_initrd_image(err);
#else
printk(KERN_EMERG "Initramfs unpacking failed: %s\n", err);

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