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zdev: Fix zdev dracut module temp file location

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During processing, the zdev-provided dracut module creates a temporary
file using the mktemp tool. Due to a missing path specification
in the filename template, mktemp tries to create the temporary file
in the current working directory which fails if that directory is not
writable:

  # cd /sys
  # dracut -Nf
  mktemp: failed to create file via template 'dracut-zdev.XXXX': No such
  file or directory
  chzdev: Could not write to file : No such file or directory
  sed: can't read : No such file or directory
  chzdev: Could not open file : No such file or directory

Fix this by specifying option --tmpdir when calling mktemp.

Signed-off-by: Peter Oberparleiter <oberpar@linux.vnet.ibm.com>
Signed-off-by: Michael Holzheu <holzheu@linux.vnet.ibm.com>
This commit is contained in:
Peter Oberparleiter
2017-08-28 16:13:45 +02:00
committed by Michael Holzheu
parent 5ba519973f
commit f3e552d67c
1 changed files with 1 additions and 1 deletions
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2
zdev/dracut/95zdev/module-setup.sh
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@@ -35,7 +35,7 @@ installkernel() {
}
install() {
local _tempfile=$(mktemp dracut-zdev.XXXX)
local _tempfile=$(mktemp --tmpdir dracut-zdev.XXXXXX)
if chzdev --export - --persistent --by-path / >/dev/null 2>&1 ; then
# Use persistent configuration