diff options
| author | Dave Jiang <dave.jiang@intel.com> | 2026-06-11 16:03:05 -0700 |
|---|---|---|
| committer | Dave Jiang <dave.jiang@intel.com> | 2026-06-11 18:08:34 -0700 |
| commit | dfe28c8592538152e9611341dae6f7be1735b3f1 (patch) | |
| tree | dc979a734eefd4d90ffe27278b7e419199e18e0a /tools/testing/cxl | |
| parent | 50cc34be04a0ea7522b739c9c7a71367cfbc489c (diff) | |
cxl/test: Add check after kzalloc() memory in alloc_mock_res()
alloc_mock_res() calls kzalloc() without checking the return value.
Add scope based resource management to deal with the allocated memory
cleanly.
Reported-by: sashiko-bot
Fixes: 67dcdd4d3b83 ("tools/testing/cxl: Introduce a mocked-up CXL port hierarchy")
Reviewed-by: Alison Schofield <alison.schofield@intel.com>
Link: https://patch.msgid.link/20260611230305.197390-1-dave.jiang@intel.com
Signed-off-by: Dave Jiang <dave.jiang@intel.com>
Diffstat (limited to 'tools/testing/cxl')
| -rw-r--r-- | tools/testing/cxl/test/cxl.c | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/tools/testing/cxl/test/cxl.c b/tools/testing/cxl/test/cxl.c index 7351fb87c7ab..9a0faf70e9b1 100644 --- a/tools/testing/cxl/test/cxl.c +++ b/tools/testing/cxl/test/cxl.c @@ -433,12 +433,16 @@ static void depopulate_all_mock_resources(void) static struct cxl_mock_res *alloc_mock_res(resource_size_t size, int align) { - struct cxl_mock_res *res = kzalloc(sizeof(*res), GFP_KERNEL); struct genpool_data_align data = { .align = align, }; unsigned long phys; + struct cxl_mock_res *res __free(kfree) = kzalloc(sizeof(*res), + GFP_KERNEL); + if (!res) + return NULL; + INIT_LIST_HEAD(&res->list); phys = gen_pool_alloc_algo(cxl_mock_pool, size, gen_pool_first_fit_align, &data); @@ -453,7 +457,7 @@ static struct cxl_mock_res *alloc_mock_res(resource_size_t size, int align) list_add(&res->list, &mock_res); mutex_unlock(&mock_res_lock); - return res; + return no_free_ptr(res); } /* Only update CFMWS0 as this is used by the auto region. */ |