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Merge branch 'uaccess.strlen' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs

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Pull user access str* updates from Al Viro:
 "uaccess str...() dead code removal"

* 'uaccess.strlen' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs:
  s390 keyboard.c: don't open-code strndup_user()
  mips: get rid of unused __strnlen_user()
  get rid of unused __strncpy_from_user() instances
  kill strlen_user()
This commit is contained in:
Linus Torvalds 2017-07-06 22:07:44 -07:00
commit dc502142b6
40 changed files with 5 additions and 601 deletions
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7
drivers/s390/char/keyboard.c
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@ -433,12 +433,7 @@ do_kdgkb_ioctl(struct kbd_data *kbd, struct kbsentry __user *u_kbs,
case KDSKBSENT:
if (!perm)
return -EPERM;
len = strnlen_user(u_kbs->kb_string, sizeof(u_kbs->kb_string));
if (!len)
return -EFAULT;
if (len > sizeof(u_kbs->kb_string))
return -EINVAL;
p = memdup_user_nul(u_kbs->kb_string, len);
p = strndup_user(u_kbs->kb_string, sizeof(u_kbs->kb_string));
if (IS_ERR(p))
return PTR_ERR(p);
kfree(kbd->func_table[kb_func]);