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authorOleg Nesterov <oleg@redhat.com>2010-05-26 14:43:21 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2010-05-27 09:12:47 -0700
commit6e1be45aa6ba6a36c0312f65ecf311135c73001d (patch)
tree3ea540e0ee249259e40e26c38215981b466075ad /include/linux/sysv_fs.h
parent97101eb41d0d3c97543878ce40e0b8a8b2747ed7 (diff)
check_unshare_flags: kill the bogus CLONE_SIGHAND/sig->count check
check_unshare_flags(CLONE_SIGHAND) adds CLONE_THREAD to *flags_ptr if the task is multithreaded to ensure unshare_thread() will fail. Not only this is a bit strange way to return the error, this is absolutely meaningless. If signal->count > 1 then sighand->count must be also > 1, and unshare_sighand() will fail anyway. In fact, all CLONE_THREAD/SIGHAND/VM checks inside sys_unshare() do not look right. Fortunately this code doesn't really work anyway. Signed-off-by: Oleg Nesterov <oleg@redhat.com> Cc: Balbir Singh <balbir@linux.vnet.ibm.com> Acked-by: Roland McGrath <roland@redhat.com> Cc: Veaceslav Falico <vfalico@redhat.com> Cc: Stanislaw Gruszka <sgruszka@redhat.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'include/linux/sysv_fs.h')
0 files changed, 0 insertions, 0 deletions