path: root/ipc
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authorEric W. Biederman <ebiederm@xmission.com>2018-04-18 17:30:19 -0500
committerEric W. Biederman <ebiederm@xmission.com>2018-10-03 16:47:15 +0200
commit4cd2e0e70af6897ca2247fa1ffb1553ca16b4903 (patch)
tree55e54fb3ca4ea687448ffaddd34e8cb4366466d7 /ipc
parentf28380185193610c716a90ec9b9e696638a495ce (diff)
signal: Introduce copy_siginfo_from_user and use it's return value
In preparation for using a smaller version of siginfo in the kernel introduce copy_siginfo_from_user and use it when siginfo is copied from userspace. Make the pattern for using copy_siginfo_from_user and copy_siginfo_from_user32 to capture the return value and return that value on error. This is a necessary prerequisite for using a smaller siginfo in the kernel than the kernel exports to userspace. Signed-off-by: "Eric W. Biederman" <ebiederm@xmission.com>
Diffstat (limited to 'ipc')
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