signal/signalfd: Remove __put_user from signalfd_copyinfo

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Put a signalfd_siginfo structure on the stack fully initializae
it and then copy it to userspace.

The code is a little less wordy, and this avoids a long series
of the somewhat costly __put_user calls.

Signed-off-by: "Eric W. Biederman" <ebiederm@xmission.com>

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Eric W. Biederman 2018-04-24 20:39:16 -05:00

parent 9181010565

commit 5611f55ee4

1 changed files with 29 additions and 27 deletions

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fs/signalfd.c

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