dm ioctl: prevent empty message

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Detect invalid empty messages in core dm instead of requiring every target to
check this.

Signed-off-by: Alasdair G Kergon <agk@redhat.com>

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Alasdair G Kergon 2011-08-02 12:32:03 +01:00

parent 13c87583ea

commit 2ca4c92f58

1 changed files with 5 additions and 0 deletions

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drivers/md/dm-ioctl.c

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