Linux Keyrings: don't ignore error code from session keyring creation
Creating a session keyring can fail, for instance if the user's
keyring quotas are reached (number of keys/keyrings or data size).
Instead of ignoring errors, return them so they can be passed back
to the caller.
FIXES 126230
Change-Id: I745abeef4b3b8e4c3ab1b90667c6a5478c1e0ad2
Change-Id: I4b0ce6423ee493fbbcbdac1c580e3a157d3c11f4
Reviewed-on: http://gerrit.openafs.org/1151
Reviewed-by: Derrick Brashear <shadow@dementia.org>
Tested-by: Derrick Brashear <shadow@dementia.org>