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authorRoland McGrath <roland@redhat.com>2007-05-06 14:50:20 -0700
committerLinus Torvalds <torvalds@woody.linux-foundation.org>2007-05-07 12:12:57 -0700
commit73243284463a761e04d69d22c7516b2be7de096c (patch)
tree1a823a613568b48d3a4db694aa02ce380643a3dc /arch/blackfin
parent906e0be197232c219197d058ef5095baa7764cd4 (diff)
downloadop-kernel-dev-73243284463a761e04d69d22c7516b2be7de096c.zip
op-kernel-dev-73243284463a761e04d69d22c7516b2be7de096c.tar.gz
Return EPERM not ECHILD on security_task_wait failure
wait* syscalls return -ECHILD even when an individual PID of a live child was requested explicitly, when security_task_wait denies the operation. This means that something like a broken SELinux policy can produce an unexpected failure that looks just like a bug with wait or ptrace or something. This patch makes do_wait return -EACCES (or other appropriate error returned from security_task_wait() instead of -ECHILD if some children were ruled out solely because security_task_wait failed. [jmorris@namei.org: switch error code to EACCES] Signed-off-by: Roland McGrath <roland@redhat.com> Acked-by: Stephen Smalley <sds@tycho.nsa.gov> Cc: Chris Wright <chrisw@sous-sol.org> Cc: James Morris <jmorris@namei.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'arch/blackfin')
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