github/ocf
2
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

Don't access freed memory

Browse Source 
Instead of accessing memory of a freed IO, redo size calculations

Signed-off-by: Michal Mielewczyk <michal.mielewczyk@intel.com>
This commit is contained in:
Michal Mielewczyk 2021-12-08 08:50:58 +01:00
parent 244712b020
commit 655f732748
1 changed files with 4 additions and 3 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

7
src/metadata/metadata_raw_dynamic.c
View File

@ -332,6 +332,8 @@ int raw_dynamic_update(ocf_cache_t cache,
* RAM DYNAMIC Implementation - Load all
*/
#define RAW_DYNAMIC_LOAD_PAGES 128
#define metadata_io_size(__i_page, __pages_total) \
OCF_MIN(RAW_DYNAMIC_LOAD_PAGES, (__pages_total -__i_page))
struct raw_dynamic_load_all_context {
struct ocf_metadata_raw *raw;
@ -389,8 +391,7 @@ static int raw_dynamic_load_all_read(struct ocf_request *req)
uint64_t count;
int result;
count = OCF_MIN(RAW_DYNAMIC_LOAD_PAGES,
raw->ssd_pages - context->i_page);
count = metadata_io_size(context->i_page, raw->ssd_pages);
/* Allocate IO */
context->io = ocf_new_cache_io(context->cache, req->io_queue,
@ -428,7 +429,7 @@ static int raw_dynamic_load_all_update(struct ocf_request *req)
struct raw_dynamic_load_all_context *context = req->priv;
struct ocf_metadata_raw *raw = context->raw;
ocf_cache_t cache = context->cache;
uint64_t count = BYTES_TO_PAGES(context->io->bytes);
uint64_t count = metadata_io_size(context->i_page, raw->ssd_pages);
int result = 0;
/* Reset head of data buffer */