kernel/sys.c: fix prototype of prctl_get_tid_address()

tid_addr is not a "pointer to (pointer to int in userspace)"; it is in
fact a "pointer to (pointer to int in userspace) in userspace".  So
sparse rightfully complains about passing a kernel pointer to

Reported-by: kernel test robot <>
Signed-off-by: Rasmus Villemoes <>
Signed-off-by: Linus Torvalds <>
1 file changed