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    Subject[PATCH 5.11 658/775] pstore: Fix typo in compression option name
    Date
    From: Jiri Bohac <jbohac@suse.cz>

    commit 19d8e9149c27b689c6224f5c84b96a159342195a upstream.

    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
    Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
    ---
    fs/pstore/platform.c | 4 ++--
    1 file changed, 2 insertions(+), 2 deletions(-)

    --- a/fs/pstore/platform.c
    +++ b/fs/pstore/platform.c
    @@ -269,7 +269,7 @@ static int pstore_compress(const void *i
    {
    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);
    @@ -671,7 +671,7 @@ static void decompress_record(struct pst
    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. */

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