The patch titled init: mark __user address space on string literals has been added to the -mm tree. Its filename is init-mark-__user-address-space-on-string-literals.patch Before you just go and hit "reply", please: a) Consider who else should be cc'ed b) Prefer to cc a suitable mailing list as well c) Ideally: find the original patch on the mailing list and do a reply-to-all to that, adding suitable additional cc's *** Remember to use Documentation/SubmitChecklist when testing your code *** See http://userweb.kernel.org/~akpm/stuff/added-to-mm.txt to find out what to do about this The current -mm tree may be found at http://userweb.kernel.org/~akpm/mmotm/ ------------------------------------------------------ Subject: init: mark __user address space on string literals From: Namhyung Kim <namhyung@xxxxxxxxx> When calling syscall service routines in kernel, some of arguments should be user pointers but were missing __user markup on string literals. Add it. Removes some sparse warnings. Signed-off-by: Namhyung Kim <namhyung@xxxxxxxxx> Cc: Phillip Lougher <phillip@xxxxxxxxxxxxxxxxxxx> Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx> --- init/do_mounts.c | 4 ++-- init/do_mounts_md.c | 2 +- init/do_mounts_rd.c | 4 ++-- init/initramfs.c | 5 +++-- init/noinitramfs.c | 6 +++--- 5 files changed, 11 insertions(+), 10 deletions(-) diff -puN init/do_mounts.c~init-mark-__user-address-space-on-string-literals init/do_mounts.c --- a/init/do_mounts.c~init-mark-__user-address-space-on-string-literals +++ a/init/do_mounts.c @@ -221,7 +221,7 @@ static int __init do_mount_root(char *na if (err) return err; - sys_chdir("/root"); + sys_chdir((const char __user __force *)"/root"); ROOT_DEV = current->fs->pwd.mnt->mnt_sb->s_dev; printk("VFS: Mounted root (%s filesystem)%s on device %u:%u.\n", current->fs->pwd.mnt->mnt_sb->s_type->name, @@ -418,5 +418,5 @@ void __init prepare_namespace(void) out: devtmpfs_mount("dev"); sys_mount(".", "/", NULL, MS_MOVE, NULL); - sys_chroot("."); + sys_chroot((const char __user __force *)"."); } diff -puN init/do_mounts_md.c~init-mark-__user-address-space-on-string-literals init/do_mounts_md.c --- a/init/do_mounts_md.c~init-mark-__user-address-space-on-string-literals +++ a/init/do_mounts_md.c @@ -283,7 +283,7 @@ static void __init autodetect_raid(void) wait_for_device_probe(); - fd = sys_open("/dev/md0", 0, 0); + fd = sys_open((const char __user __force *) "/dev/md0", 0, 0); if (fd >= 0) { sys_ioctl(fd, RAID_AUTORUN, raid_autopart); sys_close(fd); diff -puN init/do_mounts_rd.c~init-mark-__user-address-space-on-string-literals init/do_mounts_rd.c --- a/init/do_mounts_rd.c~init-mark-__user-address-space-on-string-literals +++ a/init/do_mounts_rd.c @@ -168,7 +168,7 @@ int __init rd_load_image(char *from) char rotator[4] = { '|' , '/' , '-' , '\\' }; #endif - out_fd = sys_open("/dev/ram", O_RDWR, 0); + out_fd = sys_open((const char __user __force *) "/dev/ram", O_RDWR, 0); if (out_fd < 0) goto out; @@ -267,7 +267,7 @@ noclose_input: sys_close(out_fd); out: kfree(buf); - sys_unlink("/dev/ram"); + sys_unlink((const char __user __force *) "/dev/ram"); return res; } diff -puN init/initramfs.c~init-mark-__user-address-space-on-string-literals init/initramfs.c --- a/init/initramfs.c~init-mark-__user-address-space-on-string-literals +++ a/init/initramfs.c @@ -528,7 +528,7 @@ static void __init clean_rootfs(void) struct linux_dirent64 *dirp; int num; - fd = sys_open("/", O_RDONLY, 0); + fd = sys_open((const char __user __force *) "/", O_RDONLY, 0); WARN_ON(fd < 0); if (fd < 0) return; @@ -590,7 +590,8 @@ static int __init populate_rootfs(void) } printk(KERN_INFO "rootfs image is not initramfs (%s)" "; looks like an initrd\n", err); - fd = sys_open("/initrd.image", O_WRONLY|O_CREAT, 0700); + fd = sys_open((const char __user __force *) "/initrd.image", + O_WRONLY|O_CREAT, 0700); if (fd >= 0) { sys_write(fd, (char *)initrd_start, initrd_end - initrd_start); diff -puN init/noinitramfs.c~init-mark-__user-address-space-on-string-literals init/noinitramfs.c --- a/init/noinitramfs.c~init-mark-__user-address-space-on-string-literals +++ a/init/noinitramfs.c @@ -29,17 +29,17 @@ static int __init default_rootfs(void) { int err; - err = sys_mkdir("/dev", 0755); + err = sys_mkdir((const char __user __force *) "/dev", 0755); if (err < 0) goto out; - err = sys_mknod((const char __user *) "/dev/console", + err = sys_mknod((const char __user __force *) "/dev/console", S_IFCHR | S_IRUSR | S_IWUSR, new_encode_dev(MKDEV(5, 1))); if (err < 0) goto out; - err = sys_mkdir("/root", 0700); + err = sys_mkdir((const char __user __force *) "/root", 0700); if (err < 0) goto out; _ Patches currently in -mm which might be from namhyung@xxxxxxxxx are origin.patch linux-next.patch init-mark-__user-address-space-on-string-literals.patch -- To unsubscribe from this list: send the line "unsubscribe mm-commits" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html