Pull pstore fixes from Tony Luck:
"On a system that restricts access to dmesg, don't let people side-step
that by reading copies that pstore saved"
* tag 'please-pull-pstore' of git://git.kernel.org/pub/scm/linux/kernel/git/aegl/linux:
syslog: Provide stub check_syslog_permissions
pstore: Honor dmesg_restrict sysctl on dmesg dumps
pstore/ram: Strip ramoops header for correct decompression