cryptsetup: rework how we log about activation failures

First of all let's always log where the errors happen, and not in an
upper stackframe, in all cases. Previously we'd do this somethis one way
and sometimes another, which resulted in sometimes duplicate logging and
sometimes none.

When we cannot activate something due to bad password the kernel gives
us EPERM. Let's uniformly return this EAGAIN, so tha the next password
is tried. (previously this was done in most cases but not in all)

When we get EPERM let's also explicitly indicate that this probably
means the password is simply wrong.

Fixes: #11498
(cherry picked from commit 6f177c7dc092eb68762b4533d41b14244adb2a73)

Related: #1776408
1 file changed
tree: 61d9f2ecd1a4dbcaeb844bdbf7b51148325e262d
  1. .dir-locals.el
  2. .editorconfig
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  4. .github/
  5. .gitignore
  6. .lgtm.yml
  7. .lgtm/cpp-queries/
  8. .mailmap
  9. .mkosi/
  10. .travis.yml
  11. .vimrc
  12. .ycm_extra_conf.py
  13. LICENSE.GPL2
  14. LICENSE.LGPL2.1
  15. Makefile
  16. NEWS
  17. README
  18. README.md
  19. TODO
  20. catalog/
  21. ci/
  22. coccinelle/
  23. configure
  24. doc/
  25. factory/etc/
  26. hwdb/
  27. man/
  28. meson.build
  29. meson_options.txt
  30. mkosi.build
  31. modprobe.d/
  32. network/
  33. po/
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  37. src/
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  39. sysusers.d/
  40. test/
  41. tmpfiles.d/
  42. tools/
  43. travis-ci/
  44. units/
  45. xorg/
  46. zanata.xml
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