Both pstore_compress() and decompress_record() use a mistyped config
option name ("PSTORE_COMPRESSION" instead of "PSTORE_COMPRESS"). As
a result compression and decompression of pstore records was always
disabled.
Use the correct config option name.
Signed-off-by: Jiri Bohac <jbohac@suse.cz>
Fixes: fd49e03280e5 ("pstore: Fix linking when crypto API disabled")
Acked-by: Matteo Croce <mcroce@microsoft.com>
Signed-off-by: Kees Cook <keescook@chromium.org>
Cc: stable@vger.kernel.org
Link: https://lore.kernel.org/r/20210218111547.johvp5klpv3xrpnn@dwarf.suse.cz
 {
        int ret;
 
-       if (!IS_ENABLED(CONFIG_PSTORE_COMPRESSION))
+       if (!IS_ENABLED(CONFIG_PSTORE_COMPRESS))
                return -EINVAL;
 
        ret = crypto_comp_compress(tfm, in, inlen, out, &outlen);
        int unzipped_len;
        char *unzipped, *workspace;
 
-       if (!IS_ENABLED(CONFIG_PSTORE_COMPRESSION) || !record->compressed)
+       if (!IS_ENABLED(CONFIG_PSTORE_COMPRESS) || !record->compressed)
                return;
 
        /* Only PSTORE_TYPE_DMESG support compression. */