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vdev_id: use mawk-compatible regular expression

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Slot mapping in vdev_id doesn't work on systems using mawk as the 'awk'
alternative. A regular expression in map_slot() contains an unquoted
empty string following the alternation (|) operator, which results in an
"missing operand" error with mawk. The solution is to rearrange the
expression so the alternation has two operands.

Signed-off-by: Ned Bass <bass6@llnl.gov>
Signed-off-by: Brian Behlendorf <behlendorf1@llnl.gov>
Closes zfsonlinux/pkg-zfs#136
Closes zfsonlinux/zfs#2965
This commit is contained in:
Ned Bass 2014-12-17 11:01:42 -08:00 committed by Brian Behlendorf
parent 5c7afad448
commit 2d9d57b0fb
1 changed files with 1 additions and 1 deletions
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2
cmd/vdev_id/vdev_id
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@ -116,7 +116,7 @@ map_slot() {
local MAPPED_SLOT=
MAPPED_SLOT=`awk "\\$1 == \"slot\" && \\$2 == ${LINUX_SLOT} && \
\\$4 ~ /^(${CHANNEL}|)$/ { print \\$3; exit }" $CONFIG`
\\$4 ~ /^${CHANNEL}$|^$/ { print \\$3; exit }" $CONFIG`
if [ -z "$MAPPED_SLOT" ] ; then
MAPPED_SLOT=$LINUX_SLOT
fi