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pstore compression/decompression was added during 3.12. The ramoops driver prepends a "====timestamp.timestamp-C|D\n" header to the compressed record before handing it over to pstore driver which doesn't know about the header. In pstore_decompress(), the pstore driver reads the first "==" as a zlib header, so the decompression always fails. For example, this causes the driver to write /dev/pstore/dmesg-ramoops-0.enc.z instead of /dev/pstore/dmesg-ramoops-0. This patch makes the ramoops driver remove the header before pstore decompression. Signed-off-by: Ben Zhang <benzh@chromium.org> Acked-by: Kees Cook <keescook@chromium.org> Signed-off-by: Tony Luck <tony.luck@intel.com> |
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| ftrace.c | ||
| inode.c | ||
| internal.h | ||
| Kconfig | ||
| Makefile | ||
| platform.c | ||
| ram_core.c | ||
| ram.c | ||