On Fri, 2023-12-15 at 17:07 -0800, Tushar Sugandhi wrote:
> Refactor ima_dump_measurement_list() to move the memory allocation part
> to a separate function ima_alloc_kexec_file_buf() to allocate buffer of
> size 'kexec_segment_size' at kexec 'load'. Make the local variables in
> function ima_dump_measurement_list() global, so that they can be accessed
> from ima_alloc_kexec_file_buf().
Only ima_kexec_file is being moved and does not need to be global, but
should be defined as local static.
> Make necessary changes to the function
> ima_add_kexec_buffer() to call the above two functions.
>
> Signed-off-by: Tushar Sugandhi <tusharsu@xxxxxxxxxxxxxxxxxxx>
> ---
> security/integrity/ima/ima_kexec.c | 96 +++++++++++++++++++++---------
> 1 file changed, 67 insertions(+), 29 deletions(-)
>
> diff --git a/security/integrity/ima/ima_kexec.c b/security/integrity/ima/ima_kexec.c
> index 419dc405c831..ae27101d0615 100644
> --- a/security/integrity/ima/ima_kexec.c
> +++ b/security/integrity/ima/ima_kexec.c
> @@ -15,62 +15,93 @@
> #include "ima.h"
>
> #ifdef CONFIG_IMA_KEXEC
> +struct seq_file ima_kexec_file;
^static.
> +void ima_free_kexec_file_buf(struct seq_file *sf)
^static
> +{
> + vfree(sf->buf);
> + sf->buf = NULL;
> + sf->size = 0;
> + sf->read_pos = 0;
> + sf->count = 0;
--
thanks,
Mimi
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